Answer:
X=8
Step-by-step explanation:
3x+ 6 = 5x -10
6+10=5X-3X
16=2X
7.50 - 6.49 = $1.01 left
f(-2) =8
f(x) = 3x^2+x-2
Let x = -2
f(-2) = 3 * (-2)^2 + (-2) -2
= 3(4) -2 -2
=12 -2-2
=10 -2
=8