Answer:
3
Step-by-step explanation:
We know x = -2, so we can substitute -2 in for x
3x^2- 9
3*-2^2-9
Solve the exponent first (PEMDAS)
3*4-9
Multiply next
12-9
Subtract
68%
I hope this helps!
x=2
5-3=2
6ab(2a-3b-5b²)
6(2a²b-3ab²-5ab³)
6a(2ab-3b²-5b³)
= 68%