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Mathematics 14 Online
OpenStudy (anonymous):

(-42x)(+2x) =

OpenStudy (saifoo.khan):

im answering this for the 3rd time. lol.

OpenStudy (saifoo.khan):

-40x

OpenStudy (saifoo.khan):

\[\Huge -40x\]

OpenStudy (anonymous):

so first the sign - times + = - then x * x = x^22 then 42 * 2 *= 84 so all together -84x^2

OpenStudy (anonymous):

\[-84x^{2}\]

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