How do you factor x^2 + 8x + 7?

1 Answer
May 8, 2018

(x+1)(x+7)

Explanation:

Quadratic equation: ax2+bx+c Here, a is 1, b is 8 and c is 7

Find two numbers that multiply to c (7) and add to b (8):

71=7

7+1=8

The two numbers are 7 and 1:

(x+7)(x+1)