Question

What must be subtracted from (-2x2 + x) to get x?​

Answer 1

Step-by-step explanation:

option is

A

x4−x3+x2−4x+8

Let the polynomial to be subtracted be p(x)

∴x4+2x2−3x+7−p(x)=x3+x2+x−1

∴x4−x3+2x2−x2−3x−x+7+1=p(x)

∴p(x)=x4−x3+x2−4x+8

Answer 2

please mark me brainlist iam