FOIL Method: an easy way to multiply binomial by binomial || polynomials || Sir Mathigo

An easy way to multiply polynomials such as binomial by binomial is using FOIL method.

F- irst terms
O-uter terms
I-nner terms
L-ast terms

Example:

(x+3)(x+8)=(x)(x)+(x)(8)+(3)(x)+(3)(8)
= x² + 8x + 3x + 24
= x² + 11x + 24

The other example involving negative is shown in the video. Pls.. watch