Respuesta :

arefinking10

Answer:

x= -2+√52/6   x= 0.87 (2d.p)

x= -2-√52/6.   x= -1.54 (2d.p)

Step-by-step explanation:

3x²+2x-4=0

a=3  b=2  c= (-4)

To work out x, we have to use the following equation:

x= -b± √b²-4ac /2a

Working out:

b²-4ac = 2² -4×3×(-4)

This equals to 52.

Answer:

x= -2±√52 /6

Charmber06

Answer:

x = 2/3, -2

Step-by-step explanation:

First factor the equation into (3x-2)(x+2)=0. Thus, because one of the terms must be 0, x = 2/3, -2.

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