Find the product and fill in the blanks to write in standard complex number form. (2 + 4)(7 - 3) =____+____i

asked Jul 2, 2022 169k views

21 votes

Find the product and fill in the blanks to write in standard complex number form.

(2 + 4)(7 - 3) =____+____i

6.7k points

Please log in or register to add a comment.

6 votes

Recall that i represents the square root of -1, so by squaring it we get -1.

(2 + 4i)(7 - 3i)

= 14 - 6i + 28i + 12
= 26 + 22i

Skyboyer answered Jul 8, 2022

6.7k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

7.7m questions

10.3m answers