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When multiplying two powers that have the same base ($2x-4$), you can add the exponents
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$\left(2x-4\right)^2$
Learn how to solve special products problems step by step online. Solve the product (2x-4)(2x-4). When multiplying two powers that have the same base (2x-4), you can add the exponents. 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. The power of a product is equal to the product of it's factors raised to the same power. Calculate the power 2^2.