Question

спростити вираз: (a+3)(a-2)+a(a+6)=

Answer 1

 (a+3)(a-2)+a(a+6)=a²+3a-2a-6+a²+6a=2a²+7a-6

Answer 2

$(a+3)(a-2)+a(a+6)=a^{2} +3a-2a-6+a^{2} +6a=\=2a^{2} +7a-6$