因式分解①a²+10+25
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因式分解①a²+10+25
②m²-12mn+36n²
③xy³-2x²y²+x³y
②m²-12mn+36n²
③xy³-2x²y²+x³y
![因式分解①a²+10+25](/uploads/image/z/19467196-52-6.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E2%91%A0a%26%23178%3B%2B10%2B25)
解1a^2+10a+25=(a+5)^2
m^2-12mn+36n^2=(m-6n)^2
xy^3-2x^2y^2+x^3y
=xy(y^2-2xy+x^2)
=xy(x-y)^2
m^2-12mn+36n^2=(m-6n)^2
xy^3-2x^2y^2+x^3y
=xy(y^2-2xy+x^2)
=xy(x-y)^2