25(x-y)²-10(y-z)+1因式分解
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25(x-y)²-10(y-z)+1因式分解
y-x吧25(x-y)²-10(y-x)+1=25(x-y)²+10(x-y)+1=[5(x-y)+1]²=(5x-5y+1)²
25(x-y)²-10(y-z)+1因式分解
y-x吧25(x-y)²-10(y-x)+1=25(x-y)²+10(x-y)+1=[5(x-y)+1]²=(5x-5y+1)²