因式分解计算题 (2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3) 4x^2+y^2=(2x-y)^2+____?___(2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3)4x^2+y^2=(2x-y)^2+____?___

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因式分解计算题 (2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3) 4x^2+y^2=(2x-y)^2+____?___(2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3)4x^2+y^2=(2x-y)^2+____?___

因式分解计算题 (2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3) 4x^2+y^2=(2x-y)^2+____?___(2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3)4x^2+y^2=(2x-y)^2+____?___
因式分解计算题 (2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3) 4x^2+y^2=(2x-y)^2+____?___
(2a+b)^2-(2a+b)(2a-b)
(2a+3b)^2(3b-2a)^2
(x-2y+3)(x+2y-3)
4x^2+y^2=(2x-y)^2+____?___

因式分解计算题 (2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3) 4x^2+y^2=(2x-y)^2+____?___(2a+b)^2-(2a+b)(2a-b) (2a+3b)^2(3b-2a)^2 (x-2y+3)(x+2y-3)4x^2+y^2=(2x-y)^2+____?___
(2a+b)^2-(2a+b)(2a-b)
=(2a+b)[(2a+b)-(2a-b) ]
=(2a+b)(2a+b-2a+b)
=2b(2a+b)
=4ab+2b^2
(2a+3b)^2(3b-2a)^2
=[(3b+2a)(3b-2a)]^2
=(9b^2-4a^2)^2
=81b^4+16a^4-72a^2b^2
(x-2y+3)(x+2y-3)
=[(x-(2y-3)][x+(2y-3)]
=x^2-(2y-3)^2
=x^2-4y^2+12y-9
4x^2+y^2=(2x-y)^2+4xy