1.4x(y-x)-y②2.3x②-1/33.(x②+y②)②-4x②y②4.2x②+2x+1/25.2a(x②+1)②-2ax②6.(a-b)(3a+b)②+(a+3b)②(b-a)7.x②+y②-1-2xy8.a②-b②-4a=4b我最不擅长分式因解回答完的我会加分.怕没人接.还有.最好有过程.3q【注
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![1.4x(y-x)-y②2.3x②-1/33.(x②+y②)②-4x②y②4.2x②+2x+1/25.2a(x②+1)②-2ax②6.(a-b)(3a+b)②+(a+3b)②(b-a)7.x②+y②-1-2xy8.a②-b②-4a=4b我最不擅长分式因解回答完的我会加分.怕没人接.还有.最好有过程.3q【注](/uploads/image/z/3942361-1-1.jpg?t=1.4x%28y-x%29-y%E2%91%A12.3x%E2%91%A1-1%2F33.%28x%E2%91%A1%2By%E2%91%A1%29%E2%91%A1-4x%E2%91%A1y%E2%91%A14.2x%E2%91%A1%2B2x%2B1%2F25.2a%28x%E2%91%A1%2B1%29%E2%91%A1-2ax%E2%91%A16.%28a-b%29%283a%2Bb%29%E2%91%A1%2B%28a%2B3b%29%E2%91%A1%28b-a%297.x%E2%91%A1%2By%E2%91%A1-1-2xy8.a%E2%91%A1-b%E2%91%A1-4a%3D4b%E6%88%91%E6%9C%80%E4%B8%8D%E6%93%85%E9%95%BF%E5%88%86%E5%BC%8F%E5%9B%A0%E8%A7%A3%E5%9B%9E%E7%AD%94%E5%AE%8C%E7%9A%84%E6%88%91%E4%BC%9A%E5%8A%A0%E5%88%86.%E6%80%95%E6%B2%A1%E4%BA%BA%E6%8E%A5.%E8%BF%98%E6%9C%89.%E6%9C%80%E5%A5%BD%E6%9C%89%E8%BF%87%E7%A8%8B.3q%E3%80%90%E6%B3%A8)
1.4x(y-x)-y②2.3x②-1/33.(x②+y②)②-4x②y②4.2x②+2x+1/25.2a(x②+1)②-2ax②6.(a-b)(3a+b)②+(a+3b)②(b-a)7.x②+y②-1-2xy8.a②-b②-4a=4b我最不擅长分式因解回答完的我会加分.怕没人接.还有.最好有过程.3q【注
1.4x(y-x)-y②
2.3x②-1/3
3.(x②+y②)②-4x②y②
4.2x②+2x+1/2
5.2a(x②+1)②-2ax②
6.(a-b)(3a+b)②+(a+3b)②(b-a)
7.x②+y②-1-2xy
8.a②-b②-4a=4b
我最不擅长分式因解
回答完的我会加分.怕没人接.
还有.最好有过程.3q
【注:①②③为平方数】
1.4x(y-x)-y②2.3x②-1/33.(x②+y②)②-4x②y②4.2x②+2x+1/25.2a(x②+1)②-2ax②6.(a-b)(3a+b)②+(a+3b)②(b-a)7.x②+y②-1-2xy8.a②-b②-4a=4b我最不擅长分式因解回答完的我会加分.怕没人接.还有.最好有过程.3q【注
4x(y-x)-y②=4xy-4x②-y②=-(2x-y)②
3x②-1/3=3(x②-1/9)=3(x+1/3)(x-1/3)
(x②+y②)②-4x②y②= (x②-y②)②
2x②+2x+1/2=2(x②+x+1/4)=2(x+1/2)②
2a(x②+1)②-2ax②=2a(x^4+x^2+1)
(a-b)(3a+b)②+(a+3b)②(b-a)=(a-b)(3a+b)②-(a-b)(a+3b)②=(a-b)(8a②-8b②)=8(a-b)②(a+b)
x②+y②-1-2xy=(x-y)②-1=(x-y-1)(x-y+1)
a②-b②-4a=4b (a-2)②-4=(b+2)②-4 (a-2)②=(b+2)② (a+b)(a-b-4)=0