How do you prove that (x^3+9)/(x^3+8) = 1+1/(x^3+8) where x is not equal to -2?
2 Answers
Mar 14, 2018
Ok
Explanation:
You take away from both sides
Since the denominator is the same you can sum the numerators
Which is of course true as you can see
Mar 14, 2018
See the explanation
Explanation:
Given that the equation becomes undefined at
Stating the obvious:
Suppose
Then as long as we follow the rules of mathematics we will always have:
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Note that
Multiply all of both sides by
Thus: