Algebra 1ChallengeSystems of Equations ShareSystems of Equations · Challenge problemSolve {x+y=7xy=12\begin{cases} x+y=7 \\ xy=12 \end{cases}{x+y=7xy=12 for all real pairs (x,y)(x,y)(x,y), and find x2+y2x^2+y^2x2+y2. Show answer Walk through it step by step Practice more like this Review this concept