Factorization Techniques

Lesson · Intermediate

Algebra: Expressions & Identities

x2+(a+b)x+ab=(x+a)(x+b) x^2+(a+b)x+ab=(x+a)(x+b)
xy+ax+by=c⇒(x+b)(y+a)=c+ab xy+ax+by=c \quad\Rightarrow\quad (x+b)(y+a)=c+ab
abc−ab−ac−bc+a+b+c−1=(a−1)(b−1)(c−1) abc-ab-ac-bc+a+b+c-1 = (a-1)(b-1)(c-1)
a2+ab+ac+bc=(a+b)(a+c) a^2+ab+ac+bc=(a+b)(a+c)