Question Find the roots f=285Alternative Form f=42.5 Evaluate 2f−85To find the roots of the expression,set the expression equal to 0 2f−85=0Move the constant to the right-hand side and change its sign 2f=0+85Removing 0 doesn't change the value,so remove it from the expression 2f=85Divide both sides 22f=285Solution f=285Alternative Form f=42.5 Show Solution