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> -1x2 + 0x + 81 = 0
Math
-1x2 + 0x + 81 = 0
Asked by
AnneS2
on 16 Mar 04:04
Last updated by
anonymous
on 17 Mar 14:23
1
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Answered by
CherieS
on 17 Mar 14:23
-(x-9) (x+9) = 0
x=-9
x=9