Answer :
Determine the sign multiply
4x(-3)^2+2x(-3)-9
Evaluate
4x3^2-6-9
Multiply
4x9-6-9
Calculate
36-6-9
Answer : Y = 21 or 21
4x(-3)^2+2x(-3)-9
Evaluate
4x3^2-6-9
Multiply
4x9-6-9
Calculate
36-6-9
Answer : Y = 21 or 21