Answer
$x^3-4x^2+9x+7$
Work Step by Step
Combine like terms to obtain:
$=x^3-2x^2+5x+10 - 2x^2 - (-4x) - 3
\\=x^3-2x^2-2x^2+5x+10+4x-3
\\=x^3-4x^2+(5x+4x) + (10-3)
\\=x^3-4x^2+9x+7$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.