Answer:x=5,x=-8
Explanation:
First, you will need to simplify, rearrange the terms, move your terms to the left , distribute, and lastly combine like terms.
x^2 - 6x =40 -9x
x^2 +3x -40 =0 this is what you will get once you do all of the steps.
then use the quadratic formula, and simplify.