Question Simplify the expression 503−d Evaluate 712−209−dSolution 503−d Show Solution Find the roots d=503 Evaluate 712−209−dTo find the roots of the expression,set the expression equal to 0 712−209−d=0Subtract the numbers 503−d=0Move the constant to the right-hand side and change its sign −d=0−503Removing 0 doesn't change the value,so remove it from the expression −d=−503Solution d=503 Show Solution