a)  Solve for 'x':   2(x^2) + 3 = 0

b)  Write  10 + sqrt(-144)  as a complex number.

c)  (3 + 5i) + (1 - 2i)

d)  (5 - 8i) - (4 - 2i)

e)  (2 - 2i) * (1 + 3i)

f)  Write the conjugate of  2 + 4i

g)  Write the conjugate of 3 - 2i

h)  Evaluate:  i^3 + i^2 + i  [record answer in standard form]

i)  Evaluate:  5i(2 - 4i)     [record answer in standard form]

j)  Write  5 - 2 * 3i + i  as a complex number.