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Expand the expression $\left(\frac{10}x^2+\frac{5}y\right)^2$ using the square of a binomial
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$(a+b)^2=a^2+2ab+b^2$
Learn how to solve problems step by step online. Expand the expression (1/10x^2+1/5y)^2. Expand the expression \left(\frac{10}x^2+\frac{5}y\right)^2 using the square of a binomial. Take the square of the first term: \frac{1}{10}x^2. Twice (2) the product of the two terms: \frac{1}{10}x^2 and \frac{1}{5}y. Take the square of the second term: \frac{1}{5}y.