Question

a = -2 find the value of the polynomial 2a + 4​

Answer 1

$a = -2$

$p(x) = 2a + 4$

$p(-2) = 2×-2 + 4$

$=> -4+4$

$=> 0$

Answer 2

2(-2)+4

= (-4)+4
= 4-4
= 0