1 Answer

Ravi Koradia · Answer 1 · 2016-06-08T19:15:13+0000

x² - 4x = 177
x² - 4x - 177 = 0
x = -(-4) +/- √((-4)² - 4(1)(-177))
2(1)
x = 4 +/- √(16 + 708)
2
x = 4 +/- √(724)
2
x = 4 +/- 2√(181)
2
x = 2 + √(181)
x = 2 + √(181) x = 2 - √(181)

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