Evaluate

Solution

Evaluate

Subtract the numbers

Subtract the numbers

Solution

Evaluate

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

Subtract the numbers

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

Change the signs on both sides of the equation

Divide both sides

Divide the numbers

Solution