SOLUTION: Divide and, if possible, simplify. (x^2-49)/z�(z+7)/(z-8) im not getting how to do the dividing part yet

Question 301926: Divide and, if possible, simplify.
(x^2-49)/z�(z+7)/(z-8)
im not getting how to do the dividing part yet
Answer by london maths tutor(243) (Show Source): You can put this solution on YOUR website!
(x^2-49)/z�(z+7)/(z-8)
i think you mistype the z as x
x^2 - 49 = (x+7)(x-7)
Therefore ,(x^2-49)/z�(z+7)/(z-8)
(x+7)(x-7)/z � (z+7)/(z-8)
=(x+7)(x-7)/z multiply (z-8)/(z+7)
if you have miss type z as x
you only need to cancel out (z+7)
answer: (z-7)(z-8)/(z)

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