Question

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

Answer 1

Answer:

$9x^3-2x-3$

Step-by-step explanation:

The question is

$(6x^3-8x-5)+(3x^3+6x+2)$

collect like terms

$(6x^3-8x-5)+(3x^3+6x+2)\\\\\\6x^3+3x^3-8x+6x-5+2\\\\\\9x^3-2x-3$