Question Simplify the expression 1−d Evaluate 15−d−4Divide the terms 5−d−4Solution 1−d Show Solution Find the roots d=1 Evaluate 15−d−4To find the roots of the expression,set the expression equal to 0 15−d−4=0Divide the terms 5−d−4=0Subtract the numbers 1−d=0Move the constant to the right-hand side and change its sign −d=0−1Removing 0 doesn't change the value,so remove it from the expression −d=−1Solution d=1 Show Solution