(3x-4)눀=9(4x-3)눀解方程

2024-12-16 01:15:13
推荐回答(1个)
回答1:

(3x-4)^2-9(4x-3)^2=0
(3x-4)^2-(12x-9)^2=0
(3x-4+12x-9)(3x-4-12x+9)=0
(15x-13)(-9x+5)=0
x=13/15或x=5/9