cassy1
cassy1
30-04-2015
Mathematics
Answered
x2-4x=177 (the 2 is an exponent)
Answer :
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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