Answer:
y=20-3x
Step-by-step explanation:
Answer:
1.-9x^2
2.16x^4
3.x^2+4x
4.x^2+4x+4
5.x^2-x-12
6.x^4+2x^3-4x^2
Step-by-step explanation:
Answer:
is the answer
Step-by-step explanation:
First we need to substitute X and Y with their respective numbers

Then, following PEMDAS, We just need to simplify

