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OpenStudy (anonymous):
pre- cal help!! picture attached.
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OpenStudy (anonymous):
OpenStudy (anonymous):
Substitute -1 instead of x , note that (-1)^2 = 1, and - (something) = -something and start working
OpenStudy (anonymous):
can you do it step by step for me.
OpenStudy (anonymous):
I have been sternly warned NOT to do step-by-step. Just to guide - so i actually gave you direction for the first TWO STEPS
OpenStudy (anonymous):
but that doesnt help me.
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OpenStudy (anonymous):
why not? 9 - 1 =8
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