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Expand the expression $\left(a+b\right)^2$ using the square of a binomial: $(a+b)^2=a^2+2ab+b^2$
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$a^{2}+2ab+b^{2}=a^2+2ab+b^2$
Learn how to solve equations problems step by step online. Solve the equation (a+b)^2=a^2+2abb^2. Expand the expression \left(a+b\right)^2 using the square of a binomial: (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.