4x²-3x=52
x²-3x/4=13
x²-3x/4+(3/8)²=13+(3/8)²
(x-3/8)²=841/64
x=(3+√841)/8或x=(3-√841)/8
x=(3+29)/8或x=(3-29)/8
x=4或x=-13/4
4x^2-3x=52一元二次方程的配方法怎么做?
4x²-3x=52
x²-3x/4=13
x²-3x/4+(3/8)²=13+(3/8)²
(x-3/8)²=841/64
x=(3+√841)/8或x=(3-√841)/8
x=(3+29)/8或x=(3-29)/8
x=4或x=-13/4