8.3 5 Please solve. Thanks!

Algebra
Tutor: None Selected Time limit: 1 Day

May 4th, 2015

Open the determinant:

-4x^2  + 0 + 60 - 8x - 0 + 144 = 204,

-4x^2 - 8x + 204 = 204,

4x^2 + 8x = 0,  x(x + 2) =0.

So x1 = 0, x2 = -2.

Answer: -2, 0.

May 4th, 2015

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