Respuesta :

MarkV
Hi there! The answer is B.

[tex]( x^{2} -x+7)+(9 x^{2} +6)[/tex]
First work out the parenthesis.

[tex] x^{2} -x+7+9 x^{2} +6[/tex]
Rearrange the expression.

[tex] x^{2} +9 x^{2} -x+7+6[/tex]
Now collect the terms.

[tex]10 x^{2} - x+13[/tex]
The answer is B.

~ Hope this helps you!

dk007462
the answer is b hope this helps :))

Otras preguntas