Question

(5+2y)²

me ajudei pfv ​

Answer 1

$\LARGE\tt{}\left(5 + 2y\right)^{2} \\ \\ \LARGE\tt{} {5}^{2} + 2 \times 5 \times 2y + \left(2y\right)^{2} \\ \\ \LARGE\tt{}25 + 20y + {4y}^{2} \\ \LARGE\tt{}\LARGE\tt{} \boxed{ {4y}^{2} + 20y + 25}$

${\large\boxed{\boxed{  { \large \tt Bons~Estudos }}}}$

Answer 2

25+20y+4y^2
4y^2+20y+25