Answer:
2(x-1)(x+1)
Step-by-step explanation:
x2x-2
=2(x^2-1)
=2(x-1)(x+1)
Answer:
4
Step-by-step explanation:
Answer:
59.06, I'm right I promise.
Step-by-step explanation:
The square root of 4 is 2
We'll use 'x' to represent that 'something.
7/9x=640.
Divide each side by 7/9 to isolate 'x'.
x = 822 6/7.
