dallanbenge02p2tl4s
dallanbenge02p2tl4s dallanbenge02p2tl4s
  • 30-09-2019
  • Mathematics
contestada

Solve 2x2 + x − 4 = 0. x^2 + 1/2 x + = 2 +

Respuesta :

dylanryleesilvert
dylanryleesilvert dylanryleesilvert
  • 30-09-2019

Answer:

Step-by-step explanation:

1  

How?

Use the Quadratic Formula.

x=−2+232,−2−232x=\frac{-2+2\sqrt{3}}{2},\frac{-2-2\sqrt{3}}{2}

x=

​2

​

​−2+2√

​3

​

​​

​​,

​2

​

​−2−2√

​3

​

​​

​​

2 Simplify solutions.

x=−1+3,−1−3x=-1+\sqrt{3},-1-\sqrt{3}

x=−1+√

​3

​

​​,−1−√

​3

​

​​

Done

Decimal Form: 0.732051, -2.732051

Answer Link

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