√18/√8-3

Multiply the numerator and denominator by √8 + 3

Num: √18 ( √8 + 3 ) = √144 + 3√18 = 12 + 3√9√2 = 12 + 3*3√2 = 12 + 9√2

Den: ( √8 -3 )(√8 + 3) = √8√8 -3√8 + 3√8 - 9 = 8 - 9 = -1

(12 + 9√2 )/(-1) =

**-(12+ 9√2 )**J.T.

√18/√8-3

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Harrisonburg, VA

Multiply the numerator and denominator by √8 + 3

Num: √18 ( √8 + 3 ) = √144 + 3√18 = 12 + 3√9√2 = 12 + 3*3√2 = 12 + 9√2

Den: ( √8 -3 )(√8 + 3) = √8√8 -3√8 + 3√8 - 9 = 8 - 9 = -1

(12 + 9√2 )/(-1) = **-(12+ 9√2 )**

J.T.

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