Question Simplify the expression 17+7z Evaluate 2+7z+15Solution 17+7z Show Solution Find the roots z=−717Alternative Form z=−2.4˙28571˙ Evaluate 2+7z+15To find the roots of the expression,set the expression equal to 0 2+7z+15=0Add the numbers 17+7z=0Move the constant to the right-hand side and change its sign 7z=0−17Removing 0 doesn't change the value,so remove it from the expression 7z=−17Divide both sides 77z=7−17Divide the numbers z=7−17Solution z=−717Alternative Form z=−2.4˙28571˙ Show Solution
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