the answer for this question is A. (x+7.5)^2=48.25
Step-by-step explanation:
(x+7.5)^2=48.25
x^2 + 7.5x + 7.5x + (7.5^2) = 48.25
x^2 + 15x + 56.25 =48.25
x^2 + 15x + ( 56.25 - 48.25 ) = 0
x^2 + 15x + 8 = 0
and you forget to put 'x' at 15 on the question....
