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:
y =16
I have solved it . It's in the picture above. Hope it helps
The statement is true. X= all real numbers
Answer:
A = bh thus: A=671.34 mm²
Step-by-step explanation:
Area =b* (base) h (Height)
Working conditions in the United States in the early 1900’s can best be described as atrocious.