Question

1)2a^2-4ab+2b^2; 2)3x^2+6xy+3y^2; 3)6a^2-6b^2; 4)4x^2-4y^2; 5)12a-12b; 6)8x+8y

Answer 1

1)=2(a^2-2ab+b^2)=2(a-b)^2;
2)=3(x^2+2xy+y^2)=3(x+y)^2;
3)=6(a^2-b^2)=6(a-b)*(a+b);
4)=4(x^2-y^2)=4(x-y)*(x+y);
5)12a-12b=12(a-b);
6)8x+8y=8(x=y);