## College Algebra (10th Edition)

$x^3-4x^2+9x+7$
Combine like terms to obtain: $=x^3-2x^2+5x+10 - 2x^2 - (-4x) - 3 \\=x^3-2x^2-2x^2+5x+10+4x-3 \\=x^3-4x^2+(5x+4x) + (10-3) \\=x^3-4x^2+9x+7$