Question Factor the expression 4(493z−7) Evaluate 1972z−28Solution 4(493z−7) Show Solution Find the roots z=4937Alternative Form z≈0.014199 Evaluate 1972z−28To find the roots of the expression,set the expression equal to 0 1972z−28=0Move the constant to the right-hand side and change its sign 1972z=0+28Removing 0 doesn't change the value,so remove it from the expression 1972z=28Divide both sides 19721972z=197228Divide the numbers z=197228Solution z=4937Alternative Form z≈0.014199 Show Solution
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