Answer:
926
Step-by-step explanation:
920 - 444 = x - 450
476 = x - 450
x= 476 + 450 = 926
x = 926
its B
2×x=2x
(x+1)×(x-1)=x²-x+x-1=x²-1
(-4,5)
I took this math a bit ago, just trust me