Question 402404
{{{(x+3)^2}}}
Use FORMULA {{{(a+b)^2=a^2+2ab+b^2}}}
{{{(x+3)^2=x^2+2*x*3+3^2=x^2+6x+9}}}
.
.
Sure you can look at this in other way
{{{(x+3)^2=(x+3)*(x+3)=x*x+x*3+3*x+3*3=x^2+3x+3x+9=x^2+6x+9}}}