Question

If x*x + 2x - 35 = 0,
then x = ?

Answer 1

do you know how to factor?

Answer 2

\[x^2+2x-35=(x+7)(x-5)\]

Answer 3

what factoring techniques do you know?

Answer 4

use formula

Answer 5

If \((x+7)(x-5)=0\), then \(x+7=0 \implies x=-7\) or \(x-5=0 \implies x=5\).

Answer 6

thanks