(-4)^-3 =
-4^-3 = 
Basically in this situation there is no difference whether parenthesis are used or not.
Answer: x = -9
Step-by-step explanation:
-10x - 10y = -10
when y = 10
-10x - 10(10) = -10
-10x - 100 = -10
Add 100 to each side
-10x = 90
Divide each side by -10
x = -9
-10(-9) - 10(10)
90 - 100 = -10
X^2 x 8x -3x^2 +5 x 8x -5 x 3
8x^3 -3x^2 +40x -15
5 rows of 6 patches per quilt comes out to 30 patches per quilt. If Jamal makes 2 quilts, he will have used 60 patches, leaving 5 patches unused.