51问答网 > 当X=6时，X2和2X各等于多少？当X的值是多少时，X2和2X正好相等？

当X=6时，X2和2X各等于多少？当X的值是多少时，X2和2X正好相等？

X2（是X的平方我不会打）急要，谢谢
2025-04-07 09:49:48
推荐回答（4个）
回答1：

当X=6时，X^2=36和2×X=12,当X=2时，X^2和2×X正好相等.

回答2：

当x=6时，x²=6²=36

2x=2*6=12
设　　x²=2x
则　　x²-2x＝0
　　
x(x-2)=0
所以　x=0
或
x=2
即当x=0
或
x=2时，x²与2x正好相等．

回答3：

62是6的平方?那是36,2的6次方是64,X2和2X相等时X=4

回答4：

X2=36

2X=12

X=2时他俩相等

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