Answer:
im taking the same test lol
Step-by-step explanation:
yup the answer would be c have a nice day :)
C) x2 + x = 306
x2 + x = 306
x2 + x - 306 = 0
x2 + 18x - 17x + 18 * (-17) = 0
x ( x + 18) - 17 (x +18) =0
(x + 18) (x - 17 ) = 0
x = -18 or 17
I hope it will help you!
