How do you simplify and find the restrictions for #(x^3-2x^2-8x)/(x^2-4x)#?
2 Answers
Explanation:
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but
Explanation:
Given:
The equation becomes 'undefined' if the denominator is 0. You are 'not allowed' to divide by 0.
Set
Thus the excluded values for x are:
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Factor out
Factorizing the top
But
Thus