You will divide the 12 by 28: 12/28 and that equals 3/7
A because x is the original price, so you multiply by the tax (9%) which would convert to 1.09 which you would multiply to the x
Answer:
Cannot be factored further.
Step-by-step explanation:
I'm just gonna pretend that the equal sign isn't there.
First, simplify the numbers. when you simplify, you should get 7x^2-64.
This is the final. Your answer should be it cannot be factored further.