2x^-2y^-2 = 2/x^2y^2 = 2/(2)^2 x (3)2 = 2/4 x 9 = 2/36 = 1/18
$0. She got the $40 ring and then gave it back. 40-40=0.
Answer:
I'm not sure what all that extra stuff is supposed to mean, but the answer to the top question is: x = -6
Step-by-step explanation:
So i think here you would FOIL. so -5x^2+10x-5x+10 and then combine like terms :)