Factor the expression over the complex numbers x^2 + 18

asked Dec 22, 2020 38.1k views

1 vote

by Dwc

5.7k points

Please log in or register to add a comment.

3 votes

Answer:

$x=3i*√(2) \\x=-3i*√(2)$

Explanation:

Solve the associated quadratic equation to find its solutions:

$x^2+18=0\\x^2=-18\\x=+/-√(-18) \\x=+/-√(-1) *√(2*9) \\\\x=+/-i *√(2) *√(9)  \\\\x=+/-3i*√(2)$

6.2k points

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

6.5m questions

8.7m answers