Question Simplify the expression 2015−4d Evaluate 2015−d×4Solution 2015−4d Show Solution Find the roots d=42015Alternative Form d=503.75 Evaluate 2015−d×4To find the roots of the expression,set the expression equal to 0 2015−d×4=0Use the commutative property to reorder the terms 2015−4d=0Move the constant to the right-hand side and change its sign −4d=0−2015Removing 0 doesn't change the value,so remove it from the expression −4d=−2015Change the signs on both sides of the equation 4d=2015Divide both sides 44d=42015Solution d=42015Alternative Form d=503.75 Show Solution