Divide by x: x(x2 - 20x + 19);
= x(x -1)(x - 19)
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5x + 5y = 19x = 3.8 - yory = 3.8 - x
-49
-1-2x-4x=19-6x-1 = -19x = 3
3x2 - 19x - 14 = 0 3x2 - 21x + 2x - 14 = 0 3x(x - 7) + 2(x - 7) = 0 (x - 7)(3x + 2) = 0 x - 7 = 0 or 3x + 2 = 0 x = 7 or x = -2/3
-7