5-5 Solving Polynomial Equations
Factor completely. If the polynomial is not
factorable, write prime .
4
Factor completely. If the polynomial is not
factorable, write prime.
4
49. x – 625
3
21. 64x + xy
SOLUTION: SOLUTION: 6 3
23. x y + y
9
5
51. x – 16x
SOLUTION: SOLUTION: 3
25. w – 2y
3
SOLUTION: The polynomial cannot be factored by the difference
of two cubes pattern or quadratic methods.
Therefore it is prime.
2
2
2
2
2
2
27. 12ax – 20cy – 18bx – 10ay + 15by + 24cx
53. 15ax – 10bx + 5cx + 12ay – 8by + 4cy + 15az –
10bz + 5cz
SOLUTION: SOLUTION: 5
4
3
3
2
55. 6x – 11x – 10x – 54x + 99x + 90x
5
3
4
2 3
3
3
29. 8x – 25y + 80x – x y + 200x – 10xy
SOLUTION: SOLUTION: Factor completely. If the polynomial is not
factorable, write prime.
4
49. x – 625
SOLUTION: 79. CHALLENGE Factor 36x
2n
n
+ 12x +1.
SOLUTION: n
Let y = x .
eSolutions Manual - Powered by Cognero
Page 1
5-5 Solving Polynomial Equations
79. CHALLENGE Factor 36x
2n
n
+ 12x +1.
SOLUTION: n
Let y = x .
eSolutions Manual - Powered by Cognero
Page 2