MathLivePerfect square trinomial (sum)
Expands the square of a sum of two terms into the square of the first term, plus twice their product, plus the square of the second term. It is used for algebraic expansion and factoring of perfect square trinomials.
(a + b)^2 = a^2 + 2ab + b^2What the symbols mean
| first term (any real or algebraic expression) | |
| second term (any real or algebraic expression) |
About this formula
- FieldMathematics
- TopicAlgebra
- LevelHigh school
- Also calledsquare of a sum, binomial square, square of a binomial, perfect square expansion, sum squared formula, first squared plus twice product plus second squared
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