How do you multiply \frac { x - 4} { 4x ^ { 2} + 10x } \cdot \frac { 4x ^ { 3} + 10x ^ { 2} } { 2x ^ { 2} }x−44x2+10x⋅4x3+10x22x2?
1 Answer
Explanation:
When multiplying fractions we simply multiply across.
Let's start with the numerators.
Remember we multiply every term with each other.
So,
[Simplify common variables]
So now we have...
our numerator
and our denominator
Now look for common factors to simplify our fraction.
I found
Divide our common factor
Factor the numerator using whatever method your prefer.
[Look here if you are confused on how I factored the numerator.](https://www.mathsisfun.com/algebra/factoring-quadratics.html)
Your result should be