(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4因式分解
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(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4因式分解(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4因式分解(x^2+3xy+y^2)(x^2+3xy-3y^2)-
(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4因式分解
(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4因式分解
(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4因式分解
楼上一个是对的没过程,一个有过程但算错了
我综合下
x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4
=(x²+3xy)²-2(x²+3xy)y²-3y^4-5y^4
=(x²+3xy)²-2(x²+3xy)y²+y^4-9y^4
=(x²+3xy-y²)²-9y^4
=(x²+3xy-y²+3y²)(x²+3xy-y²-3y²)
=(x²+3xy+2y²)(x²+3xy-4y²)
(x^2+3xy-4y^2)(x^2+3xy+2y^2)
(过程)(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4
=(x^2+3xy+y^2)^2-4y^2(x^2+3xy+y^2)4-5y^4
=(x^2+3xy-4y^2)(x^2+3xy+2y^2)
(x^2+3xy+y^2)(x^2+3xy-3y^2)-5y^4
=(x²+3xy)²-2(x²+3xy)y²-5y^4
=(x²+3xy)²-2(x²+3xy)y²+4y^4-9y^4
=(x²+3xy+2y²)²-9y^4
=(x²+3xy+2y²+3y²)(x²+3xy+2y²-3y²)
=(x²+3xy+5y²)(x²+3xy-y²)
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