Algebra · Classes 7, 8, 9
Square of a Sum
Expand the square of a binomial.
FORMULA
\((a+b)^2=a^2+2ab+b^2\)
Worked example
(2+3)² = 4+12+9 = 25
Understand this formula
Expand the square of a binomial.
Check measurement units, mathematical domains and rounding before applying any result in an examination.