Simplify.

Simplify.

Hey! We 've verified this expert answer for you, click below to unlock the details :)

I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!

\[x{3} + 8 x{3}\]

\[x^3+8x^3=x^3(1+8)=9x^3\]

Cool! Here's the next one...\[15x{7}-13x{7}\]

Looking for something else?

Not the answer you are looking for? Search for more explanations.

## More answers

Looking for something else?

Not the answer you are looking for? Search for more explanations.