Incorrect. Distributing the negative sign to both terms in the middle parentheses would result in this expression: $\displaystyle{32}{{p}}^{{2}}-{3}{{q}}^{{2}}-{45}{{p}}^{{2}}+{5}{{q}}^{{2}}+{23}{{p}}^{{2}}-{2}{{q}}^{{2}}\usepackage{cmbright}\Huge\$ . Combine like terms.