(1)(Ⅹ+3)²=2Ⅹ+5(2)3(Ⅹ-2)²+5=35(3)Ⅹ²-5Ⅹ-24=0(4)4Ⅹ²+3Ⅹ-1=0(5)(2Ⅹ+1)(Ⅹ-3)=﹣6(6)Ⅹ²-2√7Ⅹ+7=0(7)Ⅹ(Ⅹ-2)-3Ⅹ²=0(8)Ⅹ(Ⅹ+1)+2(Ⅹ-1)=0
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![(1)(Ⅹ+3)²=2Ⅹ+5(2)3(Ⅹ-2)²+5=35(3)Ⅹ²-5Ⅹ-24=0(4)4Ⅹ²+3Ⅹ-1=0(5)(2Ⅹ+1)(Ⅹ-3)=﹣6(6)Ⅹ²-2√7Ⅹ+7=0(7)Ⅹ(Ⅹ-2)-3Ⅹ²=0(8)Ⅹ(Ⅹ+1)+2(Ⅹ-1)=0](/uploads/image/z/2684370-66-0.jpg?t=%EF%BC%881%EF%BC%89%EF%BC%88%E2%85%A9%2B3%EF%BC%89%26%23178%3B%3D2%E2%85%A9%2B5%EF%BC%882%EF%BC%893%EF%BC%88%E2%85%A9-2%EF%BC%89%26%23178%3B%2B5%3D35%EF%BC%883%EF%BC%89%E2%85%A9%26%23178%3B-5%E2%85%A9-24%3D0%EF%BC%884%EF%BC%894%E2%85%A9%26%23178%3B%2B3%E2%85%A9-1%3D0%EF%BC%885%EF%BC%89%EF%BC%882%E2%85%A9%2B1%EF%BC%89%EF%BC%88%E2%85%A9-3%EF%BC%89%3D%EF%B9%A36%EF%BC%886%EF%BC%89%E2%85%A9%26%23178%3B-2%E2%88%9A7%E2%85%A9%2B7%3D0%EF%BC%887%EF%BC%89%E2%85%A9%EF%BC%88%E2%85%A9-2%EF%BC%89-3%E2%85%A9%26%23178%3B%3D0%EF%BC%888%EF%BC%89%E2%85%A9%EF%BC%88%E2%85%A9%2B1%EF%BC%89%2B2%EF%BC%88%E2%85%A9-1%EF%BC%89%3D0)
(1)(Ⅹ+3)²=2Ⅹ+5(2)3(Ⅹ-2)²+5=35(3)Ⅹ²-5Ⅹ-24=0(4)4Ⅹ²+3Ⅹ-1=0(5)(2Ⅹ+1)(Ⅹ-3)=﹣6(6)Ⅹ²-2√7Ⅹ+7=0(7)Ⅹ(Ⅹ-2)-3Ⅹ²=0(8)Ⅹ(Ⅹ+1)+2(Ⅹ-1)=0
(1)(Ⅹ+3)²=2Ⅹ+5
(2)3(Ⅹ-2)²+5=35
(3)Ⅹ²-5Ⅹ-24=0
(4)4Ⅹ²+3Ⅹ-1=0
(5)(2Ⅹ+1)(Ⅹ-3)=﹣6
(6)Ⅹ²-2√7Ⅹ+7=0
(7)Ⅹ(Ⅹ-2)-3Ⅹ²=0
(8)Ⅹ(Ⅹ+1)+2(Ⅹ-1)=0
(1)(Ⅹ+3)²=2Ⅹ+5(2)3(Ⅹ-2)²+5=35(3)Ⅹ²-5Ⅹ-24=0(4)4Ⅹ²+3Ⅹ-1=0(5)(2Ⅹ+1)(Ⅹ-3)=﹣6(6)Ⅹ²-2√7Ⅹ+7=0(7)Ⅹ(Ⅹ-2)-3Ⅹ²=0(8)Ⅹ(Ⅹ+1)+2(Ⅹ-1)=0
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