Foil method: FOIL stands for first-multiply the first term in each set of parenthesis outer-multiply the outer term in each of the perenthesis inner- multiply the inner term in each of the parenthesis last- multiply the last term in each of the parenthesis (3x+8)(x+1) (3x*x)=3x^2 (3x*1)=3x 8*x=8x 8*1=8 thus we shall have: 3x^2+3x+8x+8 =3x^2+11x+8