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A binomial squared (difference) is equal to the square of the first term, minus the double product of the first by the second, plus the square of the second term. In other words: $(a-b)^2=a^2-2ab+b^2$
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$a^2-2ab+b^2=a^2-2ab+b^2$
Learn how to solve problems step by step online. Solve the equation a^2-2abb^2=(a-b)^2. A binomial squared (difference) is equal to the square of the first term, minus the double product of the first by the second, plus the square of the second term. In other words: (a-b)^2=a^2-2ab+b^2. Group the terms of the equation. Cancel like terms a^2 and -a^2. Cancel like terms -2ab and 2ab.