Find the difference. Express your answer in standard form. $\(\left\)(2+8i\(\right\))-\(\left\)(4-i\(\right\))$

Identify each number as real, complex, pure imaginary, or nonreal complex. (More than one of these descriptions will apply.) -6 -2i

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

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 sum. Express your answer in standard form. $5\(\left\)(4+7i\(\right\))+6\(\left\)(3-2i\(\right\))$

Perform the indicated operation. Express your answer in standard form. $\(\left\)(3+8i\(\right\))^2$

Find the product. Express your answer in standard form. $2i\(\left\)(9-4i\(\right\))\(\left\)(6+5i\(\right\))$

Find the product of the given complex number and its conjugate. $4-5i$