2.59 that’s the correct answer
The answer is A, all that was needed was to do the math.
51 x 8 = 408
It can be in this way: 51*8=408
X^2 - x = 7
(x - 0.5)^2 - 0.25 = 7
(x - 0.5)^2 = 7.25
(x - 0.5) = +/- sqrt 7.25
x = 0.5 +/- sqrt7.25
solution set is {-2.19, 3.19,}
