Question

What is the factored form?

x² - 2x - 80

(x - 10)(x + 8)


(x + 10)(x - 8)


(x - 10)(x - 8)


(x + 10)(x + 8)

Answer 1

You can factorize this square trinomial in the next way

x∧2-2x-80= x∧2-10x+8x-80= x(x-10)+8(x-10)= (x-10) (x+8)

The correct answer is (x-10) (x+8)

Good luck!!!