(3x-2)^2-(3x-4)(4+3x)=0
(9x^2-12x+4)-(9x^2-16)=0
9x^2-12x+4-9x^2+16=0
-12x+20=0
-12x=20
x=1 2/3
25y^2-64=0
(5y-8)(5y+8)=0
5y-8=0 5y+8=0
5y=8 5y=-8
y=1 3/5 y=-1 3/5
(3x-2)^2-(3x-4)(4+3x)=0
(9x^2-12x+4)-(9x^2-16)=0
9x^2-12x+4-9x^2+16=0
-12x+20=0
-12x=20
x=1 2/3
25y^2-64=0
(5y-8)(5y+8)=0
5y-8=0 5y+8=0
5y=8 5y=-8
y=1 3/5 y=-1 3/5
9х^2-12х+4-9х^2+16=0
-12х=-20
х=1*2/3
2)25у^2=64
У^2=2,56
У=1,6