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(2x + 3) (2x + 5) / 2x + 5 = 2x + 3
2. langsung aja juga ya...
(x^2 - 2x + x - 2) + (x + 2 - x^2 - 2x) / (x + 2) (x - 2) = -2x / (x + 2) (x - 2)
3. langsung juga...
2x^2 - 10x - 2x - 10 = 2x^2 - 12x - 10
sorry ya klo salah ngitung...