Answer:
less
Step-by-step explanation:
Answer:
1. (2x^2+x-1)
Step-by-step explanation:
expanding (2x^2-1)^2. multiplying (x-2) (1-2x)
= 4x^2-4x+1. = x-2x^2-2+4x
= -2x^2+5x-2
(4x^2-4x+1-2x^2+5x-2)
=2x^2+x-1
Answer:
18/25
Step-by-step explanation:
i dont have an explanation
Answer:
125 cubic inches
Step-by-step explanation:
volume of cube is l^3 so 5^3 is 125.