分解因式﹣½α²(χ-2α)²-¼α(2α-χ)³½不是﹣½
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分解因式﹣½α²(χ-2α)²-¼α(2α-χ)³½不是﹣½
分解因式﹣½α²(χ-2α)²-¼α(2α-χ)³
½不是﹣½
分解因式﹣½α²(χ-2α)²-¼α(2α-χ)³½不是﹣½
½α²(χ-2α)²-¼α(2α-χ)³
=1/4(x-2a)³+1/2a²(x-2a)²
=1/4(x-2a)²[(x-2a)+2a]
=1/4x(x-2a)²
﹣½α²(χ-2α)²-¼α(2α-χ)³
=-½α(χ-2α)²(α+½(2α-χ))
=﹣½α(χ-2α)²(α+½(2α-χ))
=﹣½α(χ-2α)²(2α-½χ)
﹣½α²(χ-2α)²-¼α(2α-χ)³
=﹣½α²(χ-2α)²+¼α(χ-2α)³
=﹣½α(χ-2α)²[α-½(χ-2α)]
=﹣½α(χ-2α)²[2α-½χ]