Evaluate

Multiply the terms

Solution

Evaluate

Any expression multiplied by 1 remains the same

Subtract the numbers

Solution

Evaluate

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

Any expression multiplied by 1 remains the same

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

Solution

Alternative Form