﹙x²—36﹚÷﹙2x+12﹚[约分!]
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![﹙x²—36﹚÷﹙2x+12﹚[约分!]](/uploads/image/z/266678-62-8.jpg?t=%EF%B9%99x%26%23178%3B%E2%80%9436%EF%B9%9A%C3%B7%EF%B9%992x%2B12%EF%B9%9A%5B%E7%BA%A6%E5%88%86%21%5D)
﹙x²—36﹚÷﹙2x+12﹚[约分!]
﹙x²—36﹚÷﹙2x+12﹚[约分!]
﹙x²—36﹚÷﹙2x+12﹚[约分!]
﹙x²—36﹚÷﹙2x+12﹚
=[(x-6)(x+6)]/[2(x+6)]
=(x-6)/2
﹙x²—36﹚÷﹙2x+12﹚
=[(X+6)(X-6)]÷[2(X+6)]
=(X-6)÷2
x^2-36=(x-6)(x+6)
2x+12=2(x+6)
原式=(x-6)/2