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cassy1 cassy1
  • 30-04-2015
  • Mathematics
Answered

x2-4x=177 (the 2 is an exponent)

Verified Answer :

Panoyin
Panoyin Panoyin
  • 30-04-2015

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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