Question

A 2 ( a + 3 ) - 2 a ( a - 3 ) .

Answer 1

А^3+3а^2-2а^2+6а=а^3+а^2+6а=а(а^2+а+6)

Answer 2

To simplify the expression:

2(a + 3) - 2a(a - 3)

= 2a + 6 - 2a^2 + 6a [distribute the terms]

= -2a^2 + 8a + 6 [combine like terms]

So the simplified expression is -2a^2 + 8a + 6.