Attachment 26023

so i divide the 15 & 18 by 3 to get 5/6

R8 - (-4) = r12

Q(-4)-3 = Q(-7)

just wondered which went on top or bottom ?

am i right in saying that r12 goes on top cause the r8 is a positive power ?

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- December 2nd 2012, 09:34 AMkevindorwardSimplifying Expression
Attachment 26023

so i divide the 15 & 18 by 3 to get 5/6

R8 - (-4) = r12

Q(-4)-3 = Q(-7)

just wondered which went on top or bottom ?

am i right in saying that r12 goes on top cause the r8 is a positive power ? - December 2nd 2012, 10:09 AMtopsquarkRe: Simplifying Expression