Question Simplify the expression 21z Evaluate z×21Solution 21z Show Solution Find the roots z=0 Evaluate z(21)To find the roots of the expression,set the expression equal to 0 z(21)=0Remove the unnecessary parentheses z×21=0Use the commutative property to reorder the terms 21z=0Solution z=0 Show Solution
Algebra
Calculus
Trigonometry
Matrix Algebra Calculus Trigonometry Matrix