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Q: How do you factor -5b2 plus 7b-2?

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4a2 - 20ab2 + 25b4 (2a - 5b2)(2a - 5b2) (2a - 5b2)2

(2a - 5b)(5a - b)

The GCF is 5b.

2 is.

b3 - 5b2 + 12 = (b - 2)(b2 - 3b - 6)Check:(b - 2)(b2 - 3b - 6)= b(b2 - 3b - 6) - 2(b2 - 3b - 6)= b3 - 3b2 - 6b - 2b2 + 6b + 12= b3 - 5b2 + 12

This has a degree of 2.

The GCF of 15ab and 5b squared is 5b.

7bb - 70b + 112 = 7b2 - 70b + 112 = 7(b2 - 10b + 16) = 7(b - 2)(b - 8)

The greatest common factor (GCF) of 15ab and 5b2 is 5b.

5a2 - 20ab - 25b2 = 5(a2 - 4ab - 5b2) = 5(a2 - 4ba - 5b2) since -5b*b = -5b2 and -5b + b = -4b, then = 5(a - 5b)(a + b)

The other factor is 1.

5m

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