How do you simplify $(3x^3)/ (12x^2+ 9x)$ ?

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Answer 1 · 2015-07-13T22:30:13

You can divide 'top'and 'bottom' by the same numbers.

One first condition/restriction is that $x!=0$
or the numerator will be $=0$ , which is not allowed.

After that we can divide everything by $3x$

$=x^2/(4x+3)$

Which gives us the next restriction:
since $4x+3$ is not allowed to be $=0->x!=-3/4$

How do you simplify (3x^3)/ (12x^2+ 9x)(3x^3)/ (12x^2+ 9x)?