Question Factor the expression 2(343−z) Evaluate 686−2zSolution 2(343−z) Show Solution Find the roots z=343 Evaluate 686−2zTo find the roots of the expression,set the expression equal to 0 686−2z=0Move the constant to the right-hand side and change its sign −2z=0−686Removing 0 doesn't change the value,so remove it from the expression −2z=−686Change the signs on both sides of the equation 2z=686Divide both sides 22z=2686Divide the numbers z=2686Solution More Steps Evaluate 2686Reduce the numbers 1343Calculate 343 z=343 Show Solution
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