Use the quadratic formula to solve each equation
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Use the quadratic formula to solve each equation

[From: ] [author: ] [Date: 11-05-16] [Hit: ]
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Write all radicals in simplified form, and all answers in lowest terms.

1.x² + 9x = 4x - 3

2. 2k² - 5k + 4 = 0

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1).
x² + 9x = 4x - 3
x^2 + 5x + 3 = 0
Solutions:
x = 1/2(-5 - √13)
x = 1/2(√13 - 5)

2).
2k² - 5k + 4 = 0
Complex solutions:
k = 1/4(5 - i√7)
k = 1/4(5 + i√7
1
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