4x^2+1/4-2x-9y^2因式分解

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4x^2+1/4-2x-9y^2因式分解4x^2+1/4-2x-9y^2因式分解4x^2+1/4-2x-9y^2因式分解4x^2+1/4-2x-9y^2=4(x^2-1/2x+1/16)-9y^2=4

4x^2+1/4-2x-9y^2因式分解
4x^2+1/4-2x-9y^2
因式分解

4x^2+1/4-2x-9y^2因式分解
4x^2+1/4-2x-9y^2=4(x^2-1/2x+1/16)-9y^2=4(x-1/4)^2-9y^2=(2x+3y-1/2)(2x-3y-1/2)

4x^2-2x+1/4-9y^2
=(2x-1/2)^2-9y^2
=(2x+3y-1/2)(2x-3y-1/2)

=(2X-1/2)^2-9Y^2
=(2X-1/2+3Y)(2X-2/1-3Y)
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4x^2+1/4-2x-9y^2
=4(x-1/4)^2-9y^2
=(2x+3y-1/2)(2x-3y-1/2)

4x^2+1/4-2x-9y^2
=4(x^2-1/2*x+1/16)-9y^2
=4(x-1/4)^2-9y^2
=[2(x-1/4)-3y][2(x-1/4)+3y]

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