Square of Sum

Reference > Algebra: Sums and Differences of Squares and Cubes

Examples \[{x}^{2}+2xy+{y}^{2}\] 1 Use Square of Sum: \({(a+b)}^{2}={a}^{2}+2ab+{b}^{2}\). \[{(x+y)}^{2}\] Done (x+y)^2