The expression (4x+6)2\displaystyle {\left({4}{x}+{6}\right)}^{{2}}equals Ax2+Bx+C\displaystyle {A}{x}^{{2}}+{B}{x}+{C}
where A\displaystyle {A} equals:  


and B\displaystyle {B} equals:  


and C\displaystyle {C} equals: