5a² + 8a + 3 / 14 + 3a - 11a²
5а²+5а+3a+3/14+3a-11a²= 5a(a+1)+3a+3/14+3a-11a²=5a(a+1)+3(a+1)/14+3a-11a²=5a*-1+3*(-1)/11a-14= -5a-3/11a-14