Question

Gente, me ajudem na questão 10 pff

Answer 1

$\frac{(3a+2)(2a-1)+5=3a+1(2a+1)}{(2a+1)(2a-1)} 6 a^{2}-3a +4a -2+5=6 a^{2} +3a+2a+1 6 a^{2} +a +3=6 a^{2} +5a + 1 a -5a= 1-3 -4a = -2 a=1/2$