hasil dari 7/x²-4 + 2/x²-3x+2 = 4/x²+x-2

Pecahan

7/(x² -4)  + 2/(x² - 3x +2) = 4/(x² + x -2)
7/(x+2)(x-2)  + 2/(x -2)(x-1)  = 4 / (x +2)(x-1) ....kalikan (x+2)(x-2)(x-1)

7(x-1) + 3(x+2) = 4(x-2)
7x - 7 + 3x + 6 = 4x - 8
10x - 1 = 4x - 8
10x - 4x = -8 + 1
6x = -7
x = - 7/6