Solve the equation x2 2x 99 Write your answers as a list
Solve the equation: x^2 = - 2x + 99 Write your answers as a list of integers or reduced fractions, with your answers separated by (a) comma(s). For example, if you get 4 and -2/3 as your answers, then enter 4, -2/3 in the box. Points possible:6 This is attempt 1 of 2. Message instructor about this question Post this question to forum
Solution
x^2 = -2x +99
x^2 + 2x - 99 =0
x^2 + 11x -9x - 99 =0
x(x +11) -9( x + 11) =0
(x -9)(x +11) =0
x = 9 , -11
