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(1/x+2)+1/x=32/x平方+2x
题目详情
(1/x+2)+1/x=32/x平方+2x
▼优质解答
答案和解析
1/(x+2) + 1/x = 32/(x²+2x）
(2x+2)/(x²+2x) = 32/(x²+2x)
2x+2 = 32
2x = 30
x = 15
(2x+2)/(x²+2x) = 32/(x²+2x)
2x+2 = 32
2x = 30
x = 15
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