5-a-9 =a^2-3
a+4 a+4
what are we doing?
solving?
if so, then ...
a^2 + a + 1 = 0
Use the quadratic equation to find the two imaginary or complex roots.
a+4 a+4
solving?
if so, then ...
a^2 + a + 1 = 0
Use the quadratic equation to find the two imaginary or complex roots.