Question

What are the solutions of 6x2 - 216 = 0?
Help

Answer 1

x = ±6

Explanation:

6x² - 216 = 0

( Add 216 to both sides )

6x² = 216

( Divide both sides by 6 to isolate x² )

x² = 36

( Square root both sides to isolate x )

x = ±6