已知A=3x^2-12,B=5x^2*y^3+10x*y^3,C=(x+1)(x+3)+1求其公因式
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已知A=3x^2-12,B=5x^2*y^3+10x*y^3,C=(x+1)(x+3)+1求其公因式
已知A=3x*x-12,B=5x*x*y*y*y+10x*y*y*y,C=(x+1)(x+3)+1求其公因式,若无,说出理由
已知A=3x*x-12,B=5x*x*y*y*y+10x*y*y*y,C=(x+1)(x+3)+1求其公因式,若无,说出理由
![已知A=3x^2-12,B=5x^2*y^3+10x*y^3,C=(x+1)(x+3)+1求其公因式](/uploads/image/z/18151694-62-4.jpg?t=%E5%B7%B2%E7%9F%A5A%3D3x%5E2-12%2CB%3D5x%5E2%2Ay%5E3%2B10x%2Ay%5E3%2CC%3D%28x%2B1%29%28x%2B3%29%2B1%E6%B1%82%E5%85%B6%E5%85%AC%E5%9B%A0%E5%BC%8F)
A=3x^2-12
=3(x^2-4)
=3(x-2)(x+2)
B=5x^2*y^3+10x*y^3
=5xy^3(x+2)
C=(x+1)(x+3)+1
=x^2+4x+3+1
=x^2+4x+4
=(x+2)^2
公因式=x+2
=3(x^2-4)
=3(x-2)(x+2)
B=5x^2*y^3+10x*y^3
=5xy^3(x+2)
C=(x+1)(x+3)+1
=x^2+4x+3+1
=x^2+4x+4
=(x+2)^2
公因式=x+2
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