Answer:
C) x2 + x = 306
Step-by-step explanation:
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
D, because the sum is no more than 28 so it could be equal or less than.
No solution because everything cancels out
Answer:
0.631
Step-by-step explanation:
if you are looking for the solution then is <em>Infinitely many solutions</em>
