Question Factor the expression 2(3100−z) Evaluate 6200−2zSolution 2(3100−z) Show Solution Find the roots z=3100 Evaluate 6200−2zTo find the roots of the expression,set the expression equal to 0 6200−2z=0Move the constant to the right-hand side and change its sign −2z=0−6200Removing 0 doesn't change the value,so remove it from the expression −2z=−6200Change the signs on both sides of the equation 2z=6200Divide both sides 22z=26200Divide the numbers z=26200Solution More Steps Evaluate 26200Reduce the numbers 13100Calculate 3100 z=3100 Show Solution