Evaluate

If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses

Solution

Evaluate

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

Subtract the terms

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

Solution

Alternative Form