Find the correct sum of the polynomials (6x3 - 8x - 5) + (3x3 + 6x + 2).

Question

Karly Frey

Mathematics

20 May, 18:22

Find the correct sum of the polynomials (6x3 - 8x - 5) + (3x3 + 6x + 2).

+5

Answers (2)

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Isabelle Schneider · Answer 1

First, take the equation out of the parentheses. This example shows addition. (if there's subtraction we'll need to multiply by negative sign first.). 6x3-8x-5+3x3+6x+2. Add the like terms. 6x3+3x3=9x3. - 8x+6x=-2x. - 5+2=-3. The inalienable answer is 9x3-2x-3.

Joey Stone · Answer 2

I think it's (27-2x-3)