Perform the indicated operations and write the result in standard form. 3+4i / 4−2i

Perform the indicated operations and write the result in standard form. √−32 − √−18

In Exercises 9–20, find each product and write the result in standard form. −3i(7i − 5)

Perform the indicated operations and write the result in standard form. (−2 + √−100)²

Find each product and write the result in standard form. (−5 + 4i)(3 + i)

In Exercises 9–20, find each product and write the result in standard form. (7 − 5i)(−2 − 3i)

In Exercises 9–20, find each product and write the result in standard form. (−5 + i)(−5 − i)

In Exercises 9–20, find each product and write the result in standard form. (2 + 3i)²