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Mathematics 8 Online
MsBrains (ms-brains):

Please help me! http://prntscr.com/aoahqu

OpenStudy (anonymous):

The mistake she made is that she did not distribute the minus sign; instead, she only applied it to the first term within the parenthesis. After correcting her mistake, you have \[5x^2-2x-4-3x^2+6x+1 \] which simplified equals: \[2x^2+4x-3\]

MsBrains (ms-brains):

I got x^2_4x-3 when I simplified it...

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