Question

Calcular el valor de :
(a + 3)(a + 2) - a2 - 5a​

Answer 1

Respuesta:

(2+3)(2+2)-2(2)-5(2)

6+4-4-10

10-14

-4

-4+3(-4+2)-(-4)(2)-(5)(-4)

-7-2+8-20

-34+8=-26