Difference of squares
Evaluate a difference using its factorized form.
Inputs
Use the units shown—
Enter your values and select Calculate.
Formula & explanation
a² − b² = (a − b)(a + b)
Variables & units
- First value · a
- Numeric value · minimum -1000000000, maximum 1000000000
- Second value · b
- Numeric value · minimum -1000000000, maximum 1000000000
Worked example
12² − 7² = 5 × 19 = 95.
Assumptions
This identity is for a difference of squares, not a sum.
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
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