Question

find
4-a2+4
find a
math solution​

Answer 1

Answer:

$4 - {a }^{2} + 4 = 0$

$- {a}^{2} = - 8$

${a}^{2} = 8$

$a = 2\sqrt{2}$

Answer 2

Answer:

a=4

Step-by-step explanation:

4-2a+4=0

4-2a=-4

-2a=-4-4

-2a=-8

a=-8/-2

a=4