Question Simplify the expression 7218−t Evaluate 7218−1×tSolution 7218−t Show Solution Find the roots t=7218 Evaluate 7218−1×tTo find the roots of the expression,set the expression equal to 0 7218−1×t=0Any expression multiplied by 1 remains the same 7218−t=0Move the constant to the right-hand side and change its sign −t=0−7218Removing 0 doesn't change the value,so remove it from the expression −t=−7218Solution t=7218 Show Solution