Ask your own question, for FREE!
Mathematics 17 Online
OpenStudy (anonymous):

(-4x^2-5x^3-2)-(8x^3+3x-9x^2)

OpenStudy (anonymous):

hey eliza

OpenStudy (anonymous):

Hey!

OpenStudy (anonymous):

:)

OpenStudy (anonymous):

what is the question?

OpenStudy (anonymous):

I'm not sure how to find the difference of this

OpenStudy (anonymous):

ok.

OpenStudy (anonymous):

so lets think of it not as subtraction, but like distribution

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

so you are distributing -1 to the second set of brackets

OpenStudy (anonymous):

so everything positive is now negative and negative is positive

OpenStudy (anonymous):

then, combine like terms

OpenStudy (anonymous):

Ok. Only in the second set of brackets right?

OpenStudy (anonymous):

yeah.

OpenStudy (anonymous):

so it would be -8x^3-3x+9x^2

OpenStudy (anonymous):

Ok got it.

OpenStudy (anonymous):

ok.

OpenStudy (anonymous):

now combine the two brackets like terms

OpenStudy (anonymous):

do you know what that is?

OpenStudy (anonymous):

One sec...

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

5x^2-13x^3-3x-2

OpenStudy (anonymous):

yep :)

OpenStudy (anonymous):

Yay! Thank you!

OpenStudy (anonymous):

yep

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!