Use the given area to find XY.
1 answer:
You might be interested in
Distributive property means that you have to multiply everything directly outside the parent hes to everything inside the parentheses. For this problem multiply 7 to the 9x and to the -9 like so:
7(9x) + 7(-9)
63x + (-63)
63x - 63
Look at image below if you are still confused
Hope this helped!
