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x2 - 10x + 25 = 0(x - 5)(x - 5) = 0x - 5 = 0x = 5
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The discriminant is 25.
x2 + 10x = 0 x2 + 10x + 25 = 25 (x + 5)2 = 25 x + 5 = +-5 x1 = 0 x2 =10
A=0 b=0 c=0
2x^2 + 8x + 3 = 0
y equals negative 8.