Squaring binomials

Squaring a binomial

(x + 3) x2 + 2(x)(3) + 92 =

6x

= x2 + 6x + 9

Squaring a binomial

(b - 5) b2 - 2(b)(5) + 252 =

10b

= b2 - 10b + 25

Squaring a binomial

(m - 15) m2 - 2(m)(15) + 2252 =

60m

= m2 - 60m + 225