Question

(02.06) Solve x2 + 6x + 7 = 0.

Answer 1

x=1, x=7

Explanation:

Factor x^2+6x+7

(x-1)(x-7)

then check using box method or FOIL which comes out to our original equation.

then find what x equals

x-1=0

x-1+1=0+1

x=1

x-7=0

x-7+7=0+7

x=7