Question

cum se rezolva (3x+2y) totul la puterea a 2 varog

Answer 1

${(3x + 2y)}^{2} = {(3x)}^{2} + 2 \times 3x \times 2y + {(2y)}^{2} \\ = 9 {x}^{2} + 12xy + 4 {y}^{2}$