1/4(x-10)=2/3x-5 hasilnya adalh... please pakai cara yaa

1/4x (x - 10) = 2/3x -5
1/4x (x - 10) = 2/3x -5,x ≠ 0
1/4x - 5/2 = 2/3x -5
1/4x -5/2 - 2/3x +5 = 0
1/4x + -5/2 - 2/3x = 0
3x^2 + 30x -8 = 0
x = -30 ± √30^2 - 4 x 3 x (-8) / 2 x 3
x= -30 ± √900 + 96 / 6
x = -30 ± 996 /6
x= -30± 2 √249 / 6
x= -30 + 2 √249 / 6
x = -30 -2 √249 / 6
x= -15 + √249 / 3
,x ≠ 0
x = -15 - √249
x = -15 + √249 / 3
x = -15 - √249 / 3
x1 = -15 - √249 / 3 , x2 = -15 + √249 / 3
maaf kalo gak salah^_^