asima018320 asima018320

17-10-2021
Mathematics

contestada

Solve 3x^2= 2+x

X= ? X= ?

- kinda stuck on this and need help!

Respuesta :

mhanifa mhanifa

17-10-2021

Answer:

x = 1, x = - 2/3

Step-by-step explanation:

3x² = 2 + x
3x² - x - 2 = 0
2x² - 2 + x² - x = 0
2(x + 1)(x - 1) + x(x - 1) = 0
(x - 1)(2x + 2 + x) = 0
(x - 1)(3x + 2) = 0
x - 1 = 0, 3x + 2 = 0
x = 1, x = - 2/3

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