How do you factor x^2 + 17x + 42 =0?

2 Answers
Jun 26, 2018

-3, -14

Explanation:

x^2 + 17x +42 = 0
or, x^2 + 14x + 3x +42 = 0
or, x(x + 14) + 3 (x + 14) = 0
or, (x + 3)(x+14) = 0
or, x= -3, -14

Jun 26, 2018

(x+3)(x+14)=0

Explanation:

"the factors of " +42" which sum to "+17
"are "+3" and "+14

x^2+17x+42=0

(x+3)(x+14)=0