Algebra · Classes 7, 8, 9
Difference of Squares
Factor a difference of two squares.
FORMULA
\(a^2-b^2=(a-b)(a+b)\)
Worked example
25−9 = (5−3)(5+3) = 16
Understand this formula
Factor a difference of two squares.
Check measurement units, mathematical domains and rounding before applying any result in an examination.