Perform the Indicated Operations $\left(2 x^{2}+6 x-5\right)-\left(2 x-3 x^{2}\right)+x(3 x+2)$ (B) $(2 u+7)^{2}$

Perform the indicated operations.
(a) $\left(2 x^{2}+6 x-5\right)-\left(2 x-3 x^{2}\right)+x(3 x+2)$
(b) $(2 u+7)^{2}$
(c) $(y-2)\left(2 y^{2}-3 y+5\right)$
(d) $(6 t-7)(6 t+7)$
(e) $[(2 p-3)+6]^{2}$