Answer:
x=1, x=7
Step-by-step 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
