Simplify the surd expression. Simplify the surd. $(2\sqrt 3 + 3\sqrt 2)^2$ I know I should us this formula: $(a^2+2ab+b^2)$ But this gets complicated later. Please explain. :(

Applying the formula you get $$(2\sqrt3+3\sqrt2)^2 = 4\cdot3 + 2\cdot 2\sqrt3\cdot 3\sqrt 2 + 9\cdot 2 = 30 + 12\sqrt6$$