Square of three terms
Solve square of three terms with your values and follow each calculation step.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
(a+b+c)² = a²+b²+c²+2ab+2bc+2ca
Variables & units
- First number · a
- Numeric value · minimum -1000000, maximum 1000000
- Second number · b
- Numeric value · minimum -1000000, maximum 1000000
- Third number · c
- Numeric value · minimum -1000000, maximum 1000000
Worked example
(5+2+3)² = 25+4+9+20+12+30 = 100.
Assumptions
There are three different cross-products; include each one twice.
Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.
Practice with an example
Use the default input values to find the answer. The reset icon restores those values.
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