(w-2)^2 = 63
FOIL left hand side:
(w-2)^2 = w^2 - 4w + 4
So,
w^2 - 4w + 4 = 63
w^2 - 4w - 59 = 0
Then use quadratic equation to get values of w = 2 + 3*root(7) and w = 2 - 3*root(7).
±
3
√
7
-3/2, because -5 -1 =-6 and -4+8 is 4 so it’s-6/4 which simplified is -3/2
Answer:
......The answer is C..............
C) You have to subtract3x from x yielding -2x.
It's approximately 0.0032