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Mathematics 24 Online
OpenStudy (anonymous):

6x(5x^2-7x+6)

OpenStudy (anonymous):

are you supposed to multiply?

OpenStudy (anonymous):

use the distributive law and add exponents. you get \[30x^3-42x^2+36x\]

OpenStudy (anonymous):

I am trying to understand how to work the problem pleaehelp

OpenStudy (anonymous):

you have to multiply each term in the parentheses by \[6x\]

OpenStudy (anonymous):

so the first one is \[6x\times 5x^2\]

OpenStudy (anonymous):

multiply 6 by 5 to get 30 and \[x\times x^2=x^3\]

OpenStudy (anonymous):

so the first term of your answer will be \[30x^3\]

OpenStudy (anonymous):

then move on to the next term.

OpenStudy (anonymous):

\[6x\times -7x\] and again \[6\times -7=-42\] and \[x\times x = x^2\] so second term is \[-42x^2\]

OpenStudy (anonymous):

with a tiny bit of practice you do it in your head.

OpenStudy (anonymous):

tank

OpenStudy (anonymous):

yw

OpenStudy (anonymous):

I got 5x^2+13x+6

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