- How to expand two binomials using algebra tiles
ex) (2x+1)(x+2)=?
(2x+1)(x+2)= 2x^2+5x+2
I used the method FOIL in the distributive property.
(a+b)(c+d)= ab+ad+bc+bd
2. How to factor a trinomial Support your work with algebra
ex) (x+1)(x+2)(x+3)=?
(x^2+3x+2)(x+3)
=x^3+3x^2+3x^2+9x+6
=x^3+6x^2+9x+6
First I started with (x+1)(x+2) and expand it, then I multiplied x^2+3x+2 and (x+3)