Seudónimo
Seudónimo
02-04-2015
Mathematics
contestada
4x squared + 7x +2=0 use quadratic formula
Respuesta :
Panoyin
Panoyin
02-04-2015
4x² + 7x + 2 = 0
x =
-7 +/- √(7² - 4(4)(2))
2(4)
x =
-7 +/- √(49 - 32)
8
x =
-7 +/- √(17)
8
x =
-7 +/- 4.123
8
x =
-7 + 4.123
x =
-7 - 4.123
8 8
x =
-2.877
x =
-11.123
8 8
x = -0.359625 x = -1.390375
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