Given the expression (6p+15)+(10p-9)
Expand the parenthesis
[tex]\begin{gathered} (6p+15)+(10p-9) \\ =\text{ 6p+15+10p-9} \end{gathered}[/tex]
Collect the like terms
[tex]=6p+10p+15-9[/tex]Evaluate the resulting expression:
[tex]16p+6[/tex]Hence the sum required is 16p+6. Option A is correct
