Ervinpedrosa131id Ervinpedrosa131id Math Answered 1.[tex]2 {x}^{} + 1[/tex]2.[tex]3 {x}^{2} + 4x[/tex]3.[tex]5 {c}^{2} + 15 {c}^{4} [/tex]4.[tex] {r}^{2} + {r}^{2} [/tex]5.[tex]7 {s}^{6} + 14 {s}^{3} [/tex]