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Mathematics
Harper Cowan
26 May, 00:58
Solve Y=x^2-18 for x
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Shayna Warner
26 May, 04:56
0
y=X^2-18
since 18 doesn't contain the variable add 18 to both sides to get
18+y = x^2
then take square root to get just x
so square root (18+y) = x
for complete solution use both negative and positive answers so
x = - square root (18+y) & x = square root (18+y)
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