(x²-y)²-(2y-2)²^4表示4次方9x^4-36y²(a²-2b)²-(1-2b)²
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![(x²-y)²-(2y-2)²^4表示4次方9x^4-36y²(a²-2b)²-(1-2b)²](/uploads/image/z/11542936-40-6.jpg?t=%28x%26sup2%3B-y%29%26sup2%3B-%282y-2%29%26sup2%3B%5E4%E8%A1%A8%E7%A4%BA4%E6%AC%A1%E6%96%B99x%5E4-36y%26sup2%3B%28a%26sup2%3B-2b%29%26sup2%3B-%281-2b%29%26sup2%3B)
(x²-y)²-(2y-2)²^4表示4次方9x^4-36y²(a²-2b)²-(1-2b)²
(x²-y)²-(2y-2)²
^4表示4次方
9x^4-36y²
(a²-2b)²-(1-2b)²
(x²-y)²-(2y-2)²^4表示4次方9x^4-36y²(a²-2b)²-(1-2b)²
(x?y)?(2y-2)
=(x^2-y+2y-2)(x^2-y-2y+2)
=(x^2+y-2)(x^2-3y+2)
9x^4-36y
=[3x^2-6y)(3x^2+6y)
=9(x^2-2y)(x^2+2y)
(a?2b)?(1-2b)
=(a^2-2b+1-2b)(a^2-2b-1+2b)
=(a^2-4b+1)(a^2-1)
=(a^2-4b+1)(a+1)(a-1)