Question

Expand.
(a +2)(a - 1)​

Answer 1

Answer:

a^2+(2-1)a+(2×-1) this is the answer

Answer 2

${ \boxed{ \huge{( a+ 2)( a- 1)}}} \\ \\ { \boxed{ \huge{ {(a)}^{2} - a + 2a - 2}}} \\ \\ { \boxed{ \huge{ \red{ {a}^{2} + a - 2 }}}}$