Question

Simplify the following polynomial. Make sure your answer is in standard form (4x^3+3x+1)-(-5x^3+6x-2)

a. 3+9x^3-3x

b. 9x^3-3x+3

c. -x^3+9x-1

d. 9x-x^3-1

Answer 1

9x^3 - 3x + 3

Explanation:

(4x^3 + 3x + 1) - (-5x^3 + 6x -2) =

= 4x^3 + 3x + 1 + 5x^3 - 6x + 2

= 9x^3 - 3x + 3