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OpenStudy (anonymous):
still need help 4u^2 +9u - 28 (factor by grouping) 4(-28)=112 so my factors would be 7 and 16 now where do I go?
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OpenStudy (anonymous):
nevermind got it
myininaya (myininaya):
4(-28) is -112 one of the factors needs to be negative -7(16) 4u^2+16u-7u-28
OpenStudy (anonymous):
i got (4u-7)(u+4)
myininaya (myininaya):
yep thats right
OpenStudy (anonymous):
OMG now I get a gold star! lol
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