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Mathematics 14 Online
OpenStudy (anonymous):

subract polynomios( 7.8x-3.4y+z)(-9.2x+4.8y-2.1z) help me please

OpenStudy (anonymous):

Isn't there supposed to be a '-' between those sets of parentheses?

OpenStudy (anonymous):

solve please help me

OpenStudy (anonymous):

This looks so familiar. http://openstudy.com/study#/updates/508959b1e4b004fc96ebb06f

OpenStudy (anonymous):

is not my family okey

OpenStudy (anonymous):

I understand, but what I mean is that I asked a question for clarification so I could help, and instead of answering my question, you said, "solve please." I don't know what to solve because you are talking about subtraction, but what you wrote looks like multiplication.

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