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X2-x-90=0 solve for x
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X2-x-90=0 solve for x
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Mar 7, 2018
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X2-x-90=0 solve for x
Mathematics
high-school
TheFrozenOne
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（x-10）(x+9)=0
so x=10 or x=-9
James Becwar
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Mar 13, 2018
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James Becwar
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