How do you factor b squared + 12b + 20

So i am assuming the question is this

b^2 + 12b + 20.

so we need to find values that when multiplied = 20 and when added = 12

so the answer would be

(b+10) (b+2) = b^2 + 2b + 10b+20

simplify

we get b^2+2b + 20

so we got it right

so what are the value of b

well

(b+10) (b+2)

b+10 = 0

b = - 10

and

b+2 = 0

b = - 2

so b = - 10, or - 2.