解方程:7⼀(x^2)-4⼀(x-x^2)=(8-x^2)⼀(x^2-1)+1

2024-12-20 15:58:33
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回答1:

等式两边同乘以x^2(x^2-1),可化为7(x^2-1)+4x=(8-x^2)x^2+x^2(x^2-1),即化为4x=7,所以x=7/4