allisenktthomas allisenktthomas

17-12-2020
Mathematics

contestada

Solve the following quadratic equation.
8x2 + 5x - 3=0
X
or X

Solve the following quadratic equation 8x2 5x 30 X or X class=

Respuesta :

LynxVillicana LynxVillicana

17-12-2020

Answer:

x = -1, x = 3/8

Step-by-step explanation:

8x² + 5x - 3 = 0

8x² + 8x - 3x -3 = 0

8x(x + 1) -3(x + 1) = 0

(8x - 3)(x + 1) = 0

First x

8x - 3 = 0

8x = 3

x = 3/8

Next x

x + 1 = 0

x = -1

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