Answer:
Step-by-step explanation:
4x² + 4w - 2y
4(2)² + 4(-1) - 2(6)
4×4 + (-4) - 12
16 - 4 - 12
12 - 12
0 is the answer
1. 9x^2+4x-8
2. 6x^3+16x^2+3x+8
3. 5x^4-27x^3-14x^2+24x
7,408.8
multiply 4.9 by 1512
yes