2x2 + 4x =, 2x(x+2), 2x( 2x+2), 2x (x2 + 4), x2 - 9=, (x-3) (x-3), (x+3) (x-3), (x+3)(x+3), 4x2 - 1=, (2x-1)(2x+1), (2x-1)(2x-1), (2x+1)(2x+1), 25x2 - 1=, (5x+1)(5x+1), (5x-1)(5x+1), (5x-1)(5x-1, x2 - 16=, (x-2)(x-8), (x-4)(x+4), (x-2)(x+8), x2 - 9x + 20=, (x-5)(x+4), (x-5)(x-4), (x-10)(x-2), x2 - 4x - 12=, (x-2)(x+6), (x+2)(x-6), (x+2)(x+6), x2 + 3x - 10=, (x-2)(x+5), (x+2)(x-5), (x+2)(x+5), 3x2 - 13x + 10=, (3x-2)(x+5), (3x-10)(x-1), (3x+2)(x+5), 2x2 +3x + 1=, (2x-1)(x+1), (2x-1)(x-1), (2x+1)(x+1), 2x2 + x - 1=, (2x-1)(x+1), (2x+1)(x-1), (2x+1)(x+1), 3x2 - 4x - 4=, (3x-2)(x+2), (3x+2)(x-2), (3x+1)(x+4).

Factorising

由
打印
嵌入

排行榜

视觉风格

选项

切换模板

)
恢复自动保存：？