Answer :
3 x^{2} + 8x +(-4) = 0
x = -b + √ b² - 4ac
2a
x = -8 + √ 8² - 4(3)(-4)
2(3)
x = -8 + √64 - 48
6
x = -8 + √16
6
x = -8 + 4 x = -8 - 4
6 6
x = -4 x = -12
6 6
x = -2 x = -2
3
x = -b + √ b² - 4ac
2a
x = -8 + √ 8² - 4(3)(-4)
2(3)
x = -8 + √64 - 48
6
x = -8 + √16
6
x = -8 + 4 x = -8 - 4
6 6
x = -4 x = -12
6 6
x = -2 x = -2
3