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Anonymous
Y²-5Y+4=0 Y1=-(-5/2) - Square root of ((-5/2)²-4) Y1= 2.5 - Square root of 2.25 Y1 = 1 Y2=-(-5/2) + Square root of ((-5/2)²-4) Y2= 2.5 + Square root of 2.25 Y2 = 4 Y can be either 1 or 4
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many solutions
8x2 + 16x + 8 = 0
-y + y equals 0.
X = 1.8
2x(3x+6) = 0 x = 0 or x = -2