Question

What must be subtracted from x4 + 2x2 – 3x + 7 to get x3 + x2 + x – 1?

Answer 1

x^4-x^3+x^2-4x+8 must be subtracted from x4 + 2x2 – 3x + 7 to get x3 + x2 + x – 1.

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Answer 2

Step-by-step explanation:

solve

Let's simplify step-by-step.

x4+2x2−3x+7−x3+x2+x−1

=x4+2x2+−3x+7+−x3+x2+x+−1

Combine Like Terms:

=x4+2x2+−3x+7+−x3+x2+x+−1

=(x4)+(−x3)+(2x2+x2)+(−3x+x)+(7+−1)

=x4−x3+3x2−2x+6