求解方程 3.14*6/5x^2-3.14*x^2=44
问题描述：
求解方程 3.14*6/5x^2-3.14*x^2=44
答
3.14*6/5x^2-3.14*x^2=44
3.14x(6/5-1)x^2=44
3.14x1/5x^2=44
0.628x^2=44
x^2=44÷0.628
x^2= 70
x≈8.37