Question

simplify and find the value of (4x²y-9xz+14z²)+(-2x²y+2xz-z²) when x=2,y = -1 , z=0 and answer should be -8 and answer it in step by step.​

Answer 1

Step-by-step explanation:

4(2²)(-1)-9(2)(0)+14(0²)+(-2(2²)(-1)+2(2)(0)-0²

4(4)(-1)-0+0+(-2)(4)(-1)+0-0

-16+8

-8