Answer:
The answer is B
you should still invest in a calculator (:
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
Step-by-step explanation:
(n-m) out of n
not sure if this is correct or something....
(2x+1)+(3x-5)=5x-4 you just have to try some of them out and see which ones work
Answer:
126
Step-by-step explanation:
