Question Factor the expression 2(64−z) Evaluate 128−2zSolution 2(64−z) Show Solution Find the roots z=64 Evaluate 128−2zTo find the roots of the expression,set the expression equal to 0 128−2z=0Move the constant to the right-hand side and change its sign −2z=0−128Removing 0 doesn't change the value,so remove it from the expression −2z=−128Change the signs on both sides of the equation 2z=128Divide both sides 22z=2128Divide the numbers z=2128Solution More Steps Evaluate 2128Reduce the numbers 164Calculate 64 z=64 Show Solution
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