Question Factor the expression z(5−2z−4z4) Evaluate 5z−2z2−4z5Rewrite the expression z×5−z×2z−z×4z4Solution z(5−2z−4z4) Show Solution Find the roots z1≈−1.163355,z2=0,z3≈0.939804 Evaluate 5z−2z2−4z5To find the roots of the expression,set the expression equal to 0 5z−2z2−4z5=0Factor the expression z(5−2z−4z4)=0Separate the equation into 2 possible cases z=05−2z−4z4=0Solve the equation z=0z≈−1.163355z≈0.939804Solution z1≈−1.163355,z2=0,z3≈0.939804 Show Solution
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