Identify the real and imaginary parts of each complex number.
$-4-9i$

In Exercises 37–52, perform the indicated operations and write the result in standard form. __ (−2 + √−4)²

In Exercises 37–44, find the product of the complex numbers. Leave answers in polar form. z₁ = cos π/4 + i sin π/4 z₂ = cos π/3 + i sin π/3

In Exercises 37–52, perform the indicated operations and write the result in standard form. __ (−3 − √−7)²

In Exercises 37–52, perform the indicated operations and write the result in standard form. ___ −8 + √−32 / 24

Identify the real and imaginary parts of each complex number.

$3+2i\(\sqrt\)3$

Write the complex number in standard form.

$\(\frac{9+\sqrt{-16}\)}{3}$

Find the difference. Express your answer in standard form.

$\(\left\)(2+8i\(\right\))-\(\left\)(4-i\(\right\))$

Find the sum. Express your answer in standard form.

$5\(\left\)(4+7i\(\right\))+6\(\left\)(3-2i\(\right\))$