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William Hartman
Mathematics
8 August, 15:55
Xsquaredminus 4xplus3=0
+1
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Josiah Caldwell
8 August, 16:13
0
X² - 4x + 3 = 0
x² + (-4x) + 3 = 0
x = - (-4) + / - √ ((-4) ² - 4 (1) (3))
2 (1)
x = 4 + / - √ (16 - 12)
2
x = 4 + / - √ (4)
2
x = 4 + / - 2
2
x = 4 + 2 x = 4 - 2
2 2
x = 6 x = 2
2 2
x = 3 x = 1
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