2(x+1)平方-3(x+1)平方=9
2(x+1)平方-3(x+1)平方-9=0
[2(x+1)+3][2(x+1)-3]=0
(2x+5)(2x-1)=0
x=-5/2 x=1/2
x-根号3=4x(根号3-x)
(4x-1)(根号3-x)=0
x=1/4 x=根号3
2(x+1)平方-3(x+1)平方=9
2(x+1)平方-3(x+1)平方-9=0
[2(x+1)+3][2(x+1)-3]=0
(2x+5)(2x-1)=0
x=-5/2 x=1/2
x-根号3=4x(根号3-x)
(4x-1)(根号3-x)=0
x=1/4 x=根号3