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OpenStudy (anonymous):
-2x cubed -28x squared + 30x
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OpenStudy (anonymous):
do you have to factorise this..?
OpenStudy (anonymous):
first off you can take a 2x out of the equation making it 2x (-x^2 - 14x +15) and then you could put (-x^2 - 14x +15) into a factor box
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