Question

Identify the factors of x^2 - 8x - 20.

(x + 4)(x - 5)

(x + 5)(x - 4)

(x - 10)(x + 2)

(x - 2)(x + 10)



which polynomial is a perfect square trinomial
49x^2 - 28x + 16

4a^2 - 20a + 25

25b^2 - 20b - 16

16x^2 - 24x - 9

Answer 1

a and b?

Answer 2

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