2.a)(4x+3)(y-6)
б)b(b-2)-4(b-2)=(b-4)(b-2)
3.a)x(8x-1)=0
X1=0 x2=1/8
б)3x(3x-1)=0
X1=0 x2=1/3
в)(x-3)(x-12+1-x)=0
(-11)(X-3)=0
X=3
2.a)(4x+3)(y-6)
б)b(b-2)-4(b-2)=(b-4)(b-2)
3.a)x(8x-1)=0
X1=0 x2=1/8
б)3x(3x-1)=0
X1=0 x2=1/3
в)(x-3)(x-12+1-x)=0
(-11)(X-3)=0
X=3