Answer:
Step-by-step explanation:
(-1)³·(-1)² = (-1)·(1) = -1
Alternatively,
(-1)³·(-1)² = (-1)³⁺² = (-1)⁵ = -1
27
1/2
3x=(1/2)(2x+2)
3x=x+1
3x-x=x-x+1
2x=1
x=1/2