(急!)因式分解:36-1/4x²
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![(急!)因式分解:36-1/4x²](/uploads/image/z/996082-34-2.jpg?t=%EF%BC%88%E6%80%A5%21%EF%BC%89%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A36-1%2F4x%26%23178%3B)
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(急!)因式分解:36-1/4x²
(急!)因式分解:36-1/4x²
(急!)因式分解:36-1/4x²
36-1/4x²
=1/4(144-x²)
=1/4(12²-x²)
=1/4(12+x)(12-x)
36-1/4x²=(6+1/2x)(6-1/2x)