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Expand the expression $\left(\frac{a^3}{8}+\frac{4a^2}{7b}\right)^2$ using the square of a binomial
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$(a+b)^2=a^2+2ab+b^2$
Learn how to solve special products problems step by step online. Expand the expression ((a^3)/8+(4a^2)/(7b))^2. Expand the expression \left(\frac{a^3}{8}+\frac{4a^2}{7b}\right)^2 using the square of a binomial. Take the square of the first term: \frac{a^3}{8}. Twice (2) the product of the two terms: \frac{a^3}{8} and \frac{4a^2}{7b}. Take the square of the second term: \frac{4a^2}{7b}.