HOLT ALGEBRA 2
HOLT ALGEBRA 2. Square of a Binomial The square of a binomial is expanded by getting the square of the first term, plus twice the product of the first terms times the second term, plus the square of the second term. Formula: (x + y)² = x² + 2xy + y² (x – y)² = x² - 2xy + y² Example: (4a + 5b)² = (4a)² + 2(4a)(5b)+(5b)² = 16a² + 40ab + 25b².
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- March 20, 2023
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