Calculation Inputs
Step-by-Step Solution
(a - b)² = a² - 2ab + b²
Description of the Formula
The square of the difference formula states that when you square the difference of two numbers, the result is the sum of their squares minus twice their product.
Formula History
Historically, the Babylonians used the difference of two squares to calculate multiplications.
Video Tutorial
Practice Problems
Problem 1: Find the expansion of (7 - 4)².
Problem 2: If a = 10 and b = 6, find (a - b)².
Calculation History
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