Question

Daca avem (x+3) la puterea 2,e corect sa pun x lq puterea 2 +3 la puterea 2?

Answer 1

................................................................

Answer 2

${(x + 3)}^{2} = {x}^{2} + 2 \times 3 \times x + {3}^{2} = {x}^{2} + 6x + 9$