Solve: x^2 + 30 + 5x + 24 = 90
Simplify that by combining constants.
x^2 + 5x -36 = 0
Factor that equation to get
(x + 12)(x - 5) = 0
That should tell you what x must be. There are two possible values.
x^2 + 5x -36 = 0
Factor that equation to get
(x + 12)(x - 5) = 0
That should tell you what x must be. There are two possible values.