请问:x^2+15^2=(25-x)^2+10^2
x^2+15^2=(25-x)^2+10^2 我知道最后答案等10就不知道过程请求写过程! 谢谢各位叔叔阿姨哥哥姐姐! 10分够了八!
人气:405 ℃ 时间:2020-09-15 10:38:31
解答
很简单啊,你把括号去掉,然后移项、整理,就可解得结果了啊,详细过程即:
x^2+15^2=(25-x)^2+10^2
即:x^2+15^2=25^2-x^2+10^2
即:4^x=25^2+10^2-15^2
解得 x=10
小朋友,你可得好好学习啊,很基础的题啊,小朋友!
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