Question

Find roots of x² - 18 - 0​

Answer 1

Step-by-step explanation:

Add

18to both sides of the equation.

x2=18

Take the square root of both sides of the equation to eliminate the exponent on the left side.

x=±√18

The complete solution is the result of both the positive and negative portions of the solution.

Tap for more steps...

x=3√2,−3√2

The result can be shown in multiple forms.

Exact Form:

x=3√2,−3√2

Decimal Form:x=4.24264068…,−4.24264068…