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(2x +3)(x - 4) =0
2x + 3 = 0 ∨ x-4 =0
x= - 3/2 x = 4
hp :{-3/2 , 4}
b). 4x^2 +11x +6x=0
(4x + 3)(x+2) = 0
4x+3 =0 ∨ x+2 = 0
x = -3/4 x=-2
hp: {-3/4,-2}
c). 3x^2-11x+10 =0
(3x -5) (x-2) = 0
3x - 5=0 ∨ x-2 =0
x= 5/3 x= 2
hp:{2,5/3}
d. 5x^2 - x -4 =0
(5x+4)(x-1) kerjain sendiri biar ad usaha anda
e. 6x^2+17 x +7 =0
(2x+1)(3x+7) siap kan dikit lagi...usaha sendiri ya cuy