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OpenStudy (anonymous):
(-42x)(+2x)=84x .....is this wrong (-42x)(+2x)=84x .....is this wrong @Mathematics
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OpenStudy (anonymous):
yes
OpenStudy (lukecrayonz):
Si.
OpenStudy (saifoo.khan):
Negative sign is missing. :O and x * x = x^2
OpenStudy (anonymous):
you will get -40x.
OpenStudy (anonymous):
That is wrong
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OpenStudy (lukecrayonz):
No, remove the x on the second parenthesis, it will be right.
OpenStudy (lukecrayonz):
Right now you have -82x^2
OpenStudy (anonymous):
so it will be -84x^2
OpenStudy (lukecrayonz):
Sorry, -84x^2.
OpenStudy (anonymous):
-42*2=-84
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OpenStudy (lukecrayonz):
Do (-42x)(2)=-84x :)
OpenStudy (anonymous):
thnx
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