利用十字相乘法
X的2次方-5(y+1)x+(2y+3)(3y+2)
=[x-(2y+3)][x-(3y+2)]
=(x-2y-3)(x-3y-3y-2)
因式分解 X的2次方-5(y+1)x+(2y+3)(3y+2)
因式分解 X的2次方-5(y+1)x+(2y+3)(3y+2)
数学人气:871 ℃时间:2019-10-19 16:05:01
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