Alex123456785Aid
Alex123456785Aid
Mathematics
Answered
Solve by completing the square
-x^2+8x-6=0
Sagot :
Panoyinid
Panoyinid
-x² + 8x - 6 = 0
x =
-(8) +/- √((8)² - 4(-1)(-6))
2(-1)
x =
-8 +/- √(64 - 20)
-2
x =
-8 +/- √(44)
-2
x =
-8 +/- 2√(11)
-2
x =
-8 + 2√(11)
x =
-8 - 2√(11)
-2 -2
x = 4 - √(11) x = -8 + √(11)
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