Question Factor the expression 4(1000D−1) Evaluate 4000D−4Solution 4(1000D−1) Show Solution Find the roots D=10001Alternative Form D=0.001 Evaluate 4000D−4To find the roots of the expression,set the expression equal to 0 4000D−4=0Move the constant to the right-hand side and change its sign 4000D=0+4Removing 0 doesn't change the value,so remove it from the expression 4000D=4Divide both sides 40004000D=40004Divide the numbers D=40004Solution D=10001Alternative Form D=0.001 Show Solution