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Calculate the square root of $5$
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$\left(-\sqrt{5}xy^2+4x^2y\right)\left(\sqrt{5}xy^2+4x^2y\right)$
Learn how to solve special products problems step by step online. Expand the expression (-5^1/2xy^2+4x^2y)(5^1/2xy^2+4x^2y). Calculate the square root of 5. Calculate the square root of 5. Multiply -1 times \sqrt{5}. The sum of two terms multiplied by their difference is equal to the square of the first term minus the square of the second term. In other words: (a+b)(a-b)=a^2-b^2..