Penyederhanaan (x+5)(x-3)-(2x-7)(x-2)
sama caranya
(x²-3x+5x-15)-(2x²-4x-7x+14)
(x²+2x-15)-(2x²-11x+14)
x²+2x-15-2x²+11x-14
-x²+13x-29
(x^2-3x+5x-15)-(2x^2-4x-7x+14)
(x^2-3x+5x-15-2x^2+4x+7x-14)
(-x^2+13x-29)
Penyederhanaan (x+5)(x-3)-(2x-7)(x-2)
sama caranya
(x²-3x+5x-15)-(2x²-4x-7x+14)
(x²+2x-15)-(2x²-11x+14)
x²+2x-15-2x²+11x-14
-x²+13x-29
(x^2-3x+5x-15)-(2x^2-4x-7x+14)
(x^2-3x+5x-15-2x^2+4x+7x-14)
(-x^2+13x-29)