x(x-4)=-√2(x-4)
x(x-4)+√2(x-4)=0
(x-4)(x+√2)=0
x1=4 或 x2=-√2
4(2x-1)²=9(x+4)²
[2(2x-1)]²-[3(x+4)]²=0
(4x-2+3x+12)(4x-2-3x-12)=0
(7x+10)(x-14)=0
x1=-10/7 或 x2=14
x(x-4)=-√2(x-4)
x(x-4)+√2(x-4)=0
(x-4)(x+√2)=0
x1=4 或 x2=-√2
4(2x-1)²=9(x+4)²
[2(2x-1)]²-[3(x+4)]²=0
(4x-2+3x+12)(4x-2-3x-12)=0
(7x+10)(x-14)=0
x1=-10/7 或 x2=14