Math Help - Elementary algebra

1. Elementary algebra

The answer is C, i kind of got the answer but I don't understand why its 5x^4 and not 5x^3!!????

2. Re: Elementary algebra

Originally Posted by asilvester635
The answer is C, i kind of got the answer but I don't understand why its 5x^4 and not 5x^3!!????
$\frac{10x^6+8x^4}{2x^2}=\frac{10x^6}{2x^2}+\frac{8 x^4}{2x^2}=~?$

3. Re: Elementary algebra

You cant do anything since 10 and 8 don't have the same exponents right?

4. Re: Elementary algebra

oh i got it, THANKS!! We minus the exponents when we're dividing fractions.