Question

zero☃️

因式分解求解

0

ws 十2)(x一4一(xX十2)(x 目1) 9

Answer 1

✨ 最佳解答 ✨

玩與讀書可以兼得

3(x+2)(x-4)-(x+2)(x+1)
=(x+2)(3x-12)-(x+2)(x+1)
=(x+2)[(3x-12)-(x+1)]
=(x+2)(2x-13)