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Mathematics 21 Online
OpenStudy (anonymous):

find the product of -4x^3(-8x^2+9x-7) help plz

OpenStudy (anonymous):

what are you confused about? it's pretty straight forward

OpenStudy (anonymous):

just multiply each term in the brackets by -4x^3

OpenStudy (anonymous):

all of it im terrible with math sorry

OpenStudy (anonymous):

what's -4 times -8?

OpenStudy (anonymous):

ok well i can do basic math just needed an idea with what to do. so i just reduce the equation down as much as i can right?

OpenStudy (anonymous):

it's already in reduced form. They want you to expand it to find the product

OpenStudy (anonymous):

lets start with the first term -8x^2. what is -8 times -4?

OpenStudy (anonymous):

use a calculator if you're stuck

OpenStudy (anonymous):

im done now i got 32x^5-36x^4+28^3

OpenStudy (anonymous):

ok give me a sec

OpenStudy (anonymous):

probably just a mistake, that's 28x^3. But ya that's right, good job

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