Question

Solve the quadratic equation 3x²+x-4=0

Answer 1

{ -
`(4)/(3)` , 1 }

Explanation:

3x² + x - 4 = 0

D = 1² - 4(3)(- 4) = 49 = 7²

`x_(1)` = ( - 1 + 7) ÷ 2(3) = 1

`x_(2)` = ( - 1 - 7) ÷ 2(3) = -
`(4)/(3)`

{ -
`(4)/(3)` , 1 }