[tex]\begin{gathered} x^2-15x=0 \\ factored\text{ form} \\ x(x-15)=0 \\ To\text{ find the solution set} \\ x=0\text{ , and} \\ x-15=0 \\ x=15 \\ \text{the solution set is }\mleft\lbrace\text{0,15}\mright\rbrace \\ \text{Question 2} \\ 28(p^2-1)=33p \\ 28p^2-28=33p \\ 28p^2-28-33p=0 \\ \text{reordering} \\ 28p^2-33p-28=0 \end{gathered}[/tex]