Evaluate

Solution

Evaluate

Subtract the numbers

Solution

Evaluate

To find the roots of the expression,set the expression equal to 0

Subtract the numbers

Move the constant to the right-hand side and change its sign

Removing 0 doesn't change the value,so remove it from the expression

Take the root of both sides of the equation and remember to use both positive and negative roots

Simplify the expression

Solution

Alternative Form