## summerd Group Title Divide 2 years ago 2 years ago

1. summerd

2. satellite73

invert, factor, cancel and then multiply at the end. start with $\frac{(x^2+9x+20)(x-4)}{(x^2-25)(x+4)}$

3. satellite73

factor next, both numerator and denominator. then cancel the common factors top and bottom

4. summerd

how do you do it

5. satellite73

factor? $\frac{(x+5)(x+4)(x-4)}{(x+5)(x-5)(x+4)}$

6. Qwerty90

Can you all help me with my question when you get done

7. summerd

so do you cross out the x+5's