Asked by liliy
x/x-4 - 4/x-5=- 4/x^-9x +20
Answers
Answered by
Reiny
by the looks of this, I bet you meant:
x/(x-4) - 4/(x-5)=- 4/(x^-9x +20)
x/(x-4) - 4(x-5) = 4/( (x-4)(x-5) )
Major hint:
what would happen if I multiplied each of the three terms by (x-4)(x-5) ??
Give it a try, it becomes very easy.
x/(x-4) - 4/(x-5)=- 4/(x^-9x +20)
x/(x-4) - 4(x-5) = 4/( (x-4)(x-5) )
Major hint:
what would happen if I multiplied each of the three terms by (x-4)(x-5) ??
Give it a try, it becomes very easy.
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