Question

What is the factor of:

2x2 - 6x - 8​

Answer 1

Explanation:

2x² - 6x - 8

Sum = -6

Product = 2*(-8) = -16

Factors = (-8) , 2 {-8 + 2 = -6 & (-8)*2 = -13}

2x² - 6x - 8 = 2x² -8x + 2x - 8 Rewrite the middle term

= 2x(x - 4) + 2(x - 4)

= (x -4)(2x + 2)