Solve: (-15) ÷ 3
2/3 (x-1)=1
x^2(x+7)+x(x+7)
the product: 6 × (-4)
12mn+18mp
18xy-3yz
3 x 918
187125.32 = 70000 * (1.1)^x * (1.12)^3 * (1.14)^(6-x)
(x-1/6) * 1/4= 1/6
-2xy-8x