How do you simplify #\frac{4x y^{3}}{- 2x^{4} y^{2}}#?
1 Answer
Jun 14, 2018
Explanation:
Let's deal with the constants first. We'll get
The key realization here is that since we have variables in the numerator and the denominator, we can subtract the exponents to get the new exponent.
Our expression can be rewritten as
As you see, we just subtract the exponents of the like variables. This simplifies to
We can make the negative exponent positive by bringing it to the denominator. We now have
Hope this helps!