Seudónimo
Seudónimo
31-03-2015
Mathematics
contestada
what is the quadratic formula of 4x2+3x+5=0
Respuesta :
Panoyin
Panoyin
31-03-2015
4x² + 3x + 5 = 0
x =
-3 +/- √(3² - 4(4)(5))
2(4)
x =
-3 +/- √(9 - 80)
8
x =
-3 +/- √(-71)
8
x =
-3 +/- √(71 × (-1))
8
x =
-3 +/- √(71) × √(-1)
8
x =
-3 +/- 8.43i
8
x = -0.375 +/- 1.05375i
x = -0.375 + 1.05375i x = -0.375 - 1.05375i
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