## College Algebra (6th Edition)

$8x^4-5x^3+6$
Start by breaking apart the parentheses. Then combine like terms to simplify. $(13x^4-8x^3+2x^2)-(5x^4-3x^3+2x^2-6)$ $13x^4-8x^3+2x^2-5x^4+3x^3-2x^2+6$ $8x^4-5x^3+6$