3 years ago

Xsquaredminus 4xplus3=0

1 answer:

6 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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