Question

Find the sum of these polynomials. (x2 – x + 7) + (9x2 + 6) =

Answer 1

Hi there! The answer is B.

$( x^{2} -x+7)+(9 x^{2} +6)$
First work out the parenthesis.

$x^{2} -x+7+9 x^{2} +6$
Rearrange the expression.

$x^{2} +9 x^{2} -x+7+6$
Now collect the terms.

$10 x^{2} - x+13$
The answer is B.

~ Hope this helps you!

Answer 2

The answer is b hope this helps :))