将x²-(x-y)²因式分解,x²-(x-y)² 9(x-y)²-y (x+2y)²+(2x-y)² (a²+b²)²-a²b² 4x四次方-16y² 全部要因式分解,
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![将x²-(x-y)²因式分解,x²-(x-y)² 9(x-y)²-y (x+2y)²+(2x-y)² (a²+b²)²-a²b² 4x四次方-16y² 全部要因式分解,](/uploads/image/z/1988409-57-9.jpg?t=%E5%B0%86x%26%23178%3B-%EF%BC%88x-y%29%26%23178%3B%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%2Cx%26%23178%3B-%EF%BC%88x-y%29%26%23178%3B+9%EF%BC%88x-y%29%26%23178%3B-y+%EF%BC%88x%2B2y%29%26%23178%3B%2B%EF%BC%882x-y%29%26%23178%3B+%EF%BC%88a%26%23178%3B%2Bb%26%23178%3B%EF%BC%89%26%23178%3B-a%26%23178%3Bb%26%23178%3B+4x%E5%9B%9B%E6%AC%A1%E6%96%B9-16y%26%23178%3B+%E5%85%A8%E9%83%A8%E8%A6%81%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%2C)
将x²-(x-y)²因式分解,x²-(x-y)² 9(x-y)²-y (x+2y)²+(2x-y)² (a²+b²)²-a²b² 4x四次方-16y² 全部要因式分解,
将x²-(x-y)²因式分解,
x²-(x-y)² 9(x-y)²-y (x+2y)²+(2x-y)²
(a²+b²)²-a²b² 4x四次方-16y² 全部要因式分解,
将x²-(x-y)²因式分解,x²-(x-y)² 9(x-y)²-y (x+2y)²+(2x-y)² (a²+b²)²-a²b² 4x四次方-16y² 全部要因式分解,
x²-(x-y)²
=(x+x-y)(x-x+y)
=y(2x-y)
9(x-y)²-y²
=(3x-3y-y)(3x-3y+y)
=(3x-4y)(3x-2y)
(x+2y)²+(2x-y)²
=x²+4y²+4x²+y²
=5(x²+y²)
(a²+b²)²-a²b²
=(a²+ab+b²)(a²-ab+b²)
4x四次方-16y²
=(2x²-4y)(2x²+4y)
x²-(x-y)²
=[x+(x-y)][x-(x-y)]
=(2x-y)y
9(x-y)²-y²
=[3(x-y)+y][3(x-y)-y]
=(3x-2y)(3x-4y)
(x+2y)²+(2x-y)²
=x²+4xy+4y²+4x...
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x²-(x-y)²
=[x+(x-y)][x-(x-y)]
=(2x-y)y
9(x-y)²-y²
=[3(x-y)+y][3(x-y)-y]
=(3x-2y)(3x-4y)
(x+2y)²+(2x-y)²
=x²+4xy+4y²+4x²-4xy+y²
=5x²+5y²
=5(x²+y²)
(a²+b²)²-a²b²
=[(a²+b²)+ab][(a²+b²)-ab]
=(a²+ab+b²)(a²-ab+b²)
4x四次方-16y²
=4(x ²+2y)(x²-2y)
收起
x²-(x-y)²
=(x+x-y)(x-x+y)
=y(2x-y)
9(x-y)²-y²
=(3x-3y-y)(3x-3y+y)
=(3x-4y)(3x-2y)
(x+2y)²+(2x-y)²
=x²+4y²+4x...
全部展开
x²-(x-y)²
=(x+x-y)(x-x+y)
=y(2x-y)
9(x-y)²-y²
=(3x-3y-y)(3x-3y+y)
=(3x-4y)(3x-2y)
(x+2y)²+(2x-y)²
=x²+4y²+4x²+y²
=5(x²+y²)
(a²+b²)²-a²b²
=(a²+ab+b²)(a²-ab+b²)
4x四次方-16y²
=(2x²-4y)(2x²+4y)
收起