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OpenStudy (anonymous):
is this TRUE or FALSE (x-9)(x+4)=xsquared-5x-36
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OpenStudy (anonymous):
True statement
OpenStudy (anonymous):
how ? to solve for it??
OpenStudy (anonymous):
Multiply the terms inside the parentheses with each other \[(x-9)(x+4)\] \[=x^2+4x-9x-36\] \[=x^2-5x-36\]
OpenStudy (anonymous):
oh ayh thnx iforgot the 9 was a negative i added it thnx!
OpenStudy (anonymous):
thanks to you i know whats my mistake
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