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(Reverted 3 edits by 121.54.54.175 (talk). (TW)) 

*The product of a pair of linear binomials <math>(ax+b)</math> and <math>(cx+d)</math> is a [[trinomial]]:
::<math> (ax+b)(cx+d) = acx^2+(ad+bc)x+bd.</math>
*A binomial raised to the ''n<sup>th</sup>'' [[Exponentiationpower]], represented as
::<math> (x + y)^n </math>
