Question

For whаt vаluе оf g does the function f(g) = g^2 + Зg equal 18

Answer 1

g=-6, 3

Explanation:

g^2+3g=18

g^2+3g-18=0

factor out the trinomial

(g+6)(g-3)=0

zero property

g+6=0, g-3=0

g=0-6=-6,

g=0+3=3

g=-6, 3