1)x^2+6x+8=2)m^2-7mn+12n^2=3)a^2-7ab+10b^2=

1)x^2+6x+8 x^2+4x+2x+8 x*(x+4)+2(x+4) (x+2)*(x-4) -------------------------- 2)m^2-7mn+12n^2 m^2-6mn+9n^2-mn+3n^2 (m-3n)^2-n(m-3n) (m-3n)*(m-3n-n) (m-3n)(m-4n) ------------------------ 3)a^2-7ab+10b^2 a²-(2ab+5ab)+10b² a²-2ab-5ab+10b² a(a-2b)-5b(a-2b) (a-2b)(a-5b) --------------------------