Intensive Tutorial Service Topic: Addition and subtraction of algebraic expressions Mathematics Worksheet Class: ……. Date: ………………… 1. Simplify: a) (6x + 2) + (3x + 4) b) (5a – 3) + (2a + 7 ) c) (8 – 4m) + (-3 – 2m) d) (-x + 4) + (7x – 2) e) (4n2 – 3n – 1) + (2n2 – 5n -3) f) (3x2 + 6x – 8) + (-5x2 – x + 4) g) (2 – 3c + c2) + (5 – 4c – 4c2) h) (8 – 2n – n2) + (-3 – n + 4n2) i) (ab + 3b – 5) + (2ab – 4b – 6) j) (mn – 5m – 2) + (-6n + 3m + 7) 2. Simplify a) (-2x + 3) – (3x + 2) b) (4 – 5n) – (-6n + 2) c) (8a2 + 2a – 3) – (-6a2 + 4a + 7) d) (-6x2 + 5x + 1) – (4x2 + 5 – 2x) e) (3 – 2m – n2) – (7 – 6m + n2) f) (2 + 6x2) – (7 – 3x2) g) (5 – 6t2) – (3 – t2) h) (5x2 – 3x) – (-3x + 5x2) 3. Simplify. a) (3x – 2) – (x – 1) b) (2a + 3) + (6a – 1) c) (5x2 – 3x) – (x2 + 2x) d) (5t – 4) + (3t – 1) e) (3 – 4x + x2) – (2x – x2) f) (3n2 – 6n + 5) – (3n2 – 2n – 1) g) (3x2 – 2x + 4) + (x2 + 3) h) (3x2 – 2x + 4) – (x2 + 3) i) (5m – 2m2) + (m2 – 6) j) (5m – 2m2) – (m2 – 6) 4. Simplify. a) (3x2 – 7x + 4) + (5x – 7x2 + 6) Maths Worksheet Page 1 of 4 b) (6 – 3x + x2) + (9 – x) Prepared by YPO Intensive Tutorial Service Topic: Addition and subtraction of algebraic expressions Mathematics Worksheet Class: ……. Date: ………………… c) (1 – 7x2 + 2x) + (x3 – 3x2 + 7) d) (5x – x2) + (3x + x2 – 7) e) (5x2 + 7x + 9) – (3x2 + 4x + 2) f) (11m2 – 5m + 8) – (7m2 + m – 3) g) (4a2 – 3a3 – 7) – (a2 – 2a3 – 13) h) (-6x2 + 17x – 4) – (3x2 + 12x + 8) 5. Add or Subtract as the question suggests. a) (3x2 – 2x + 4) and (x2 + 3) b) (3x2 – 2x + 4) from (x2 + 3) c) (5m – 2m2) to (m2 – 6) d) (5m – 2m2) – (m2 – 6) e) (3x2 – 7x + 4) and (5x – 7x2 + 6) f) (6 – 3x + x2) from (9 – x) g) From (1 – 7x2 + 2x) subtract (x3 – 3x2 + 7) h) (5x – x2) and (3x + x2 – 7) j) (5a – 3) + (2a + 7 ) i) (6x + 2) + (3x + 4) k) (8 – 4m) + (-3 – 2m) d) (-x + 4) + (7x – 2) l) (4n2 – 3n – 1) + (2n2 – 5n -3) m) (3x2 + 6x – 8) + (-5x2 – x + 4) n) (2 – 3c + c2) + (5 – 4c – 4c2) o) (8 – 2n – n2) + (-3 – n + 4n2) p) (ab + 3b – 5) + (2ab – 4b – 6) q) (mn – 5m – 2) + (-6n + 3m + 7) 6. Simplify a) (-2x + 3) – (3x + 2) b) (4 – 5n) – (-6n + 2) c) (8a2 + 2a – 3) – (-6a2 + 4a + 7) d) (-6x2 + 5x + 1) – (4x2 + 5 – 2x) e) (3 – 2m – n2) – (7 – 6m + n2) f) (2 + 6x2) – (7 – 3x2) g) (5 – 6t2) – (3 – t2) h) (5x2 – 3x) – (-3x + 5x2) i) (3x – 2) – (x – 1) j) (2a + 3) + (6a – 1) k) (5x2 – 3x) – (x2 + 2x) Maths Worksheet Page 2 of 4 Prepared by YPO Intensive Tutorial Service Topic: Addition and subtraction of algebraic expressions Mathematics Worksheet Class: ……. Date: ………………… 7. Find the value of the polynomial when : i) x = 1, and m = -2. a) (1 – 2x2 – x) + (2x – 3x2 – 7) b) (3 – 2x2 – x) – (2x – 3x2 – 7) c) (5x2 + 7x + 9) – (3x2 + 4x + 2) d) (11m2 – 5m + 8) – (7m2 + m – 3) e) (5 – 2m – m2) – (7m + 4 – 5m2) f) (x2 – 4x + x3) – (3x + 5 – x3) 8. Simplify. Find the value of the polynomial when : i) x = 1, ii) x = -2. a) (1 – 2x2 – x) + (2x – 3x2 – 7) b) (3 – 2x2 – x) – (2x – 3x2 – 7) 9. a) Simplify. i) (5 – 2m – m2) – (7m + 4 – 5m2) ii) (x2 – 4x + x3) – (3x + 5 – x3) b) Find the value of each polynomial in part a when m = -2. 10. a) Simplify. i) (y2 – 2y) – (5 – 2y) ii) (8y – 5) – (y – 4) + (3y + 1) b) Find the value of each polynomial in part a when y = 4. 11. a) What polynomial sum do the tiles represent? b) Explain how to use the algebra tiles to simplify the sum of the polynomials in part a. Maths Worksheet Page 3 of 4 Prepared by YPO Intensive Tutorial Service Topic: Addition and subtraction of algebraic expressions Mathematics Worksheet Class: ……. Date: ………………… 12. Explain why the two polynomials are not opposites. a) 5x2 – 3x – 2 and 5x2 + 3x + 2 c) -4y + y2 + 11 and 4y – y2 + 11 Maths Worksheet Page 4 of 4 b) x2 + 7x – 9 and –x3 – 7x + 9 d) x3 – 4x2 + 9 and –x3 + 4x2 – x Prepared by YPO
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