Question Simplify the expression z28 Evaluate −4z−2+12z−2Collect like terms by calculating the sum or difference of their coefficients (−4+12)z−2Add the numbers 8z−2Express with a positive exponent using a−n=an1 8×z21Solution z28 Show Solution Find the roots z∈∅ Evaluate −4z−2+12z−2To find the roots of the expression,set the expression equal to 0 −4z−2+12z−2=0Find the domain −4z−2+12z−2=0,z=0Calculate −4z−2+12z−2=0Add the terms More Steps Evaluate −4z−2+12z−2Collect like terms by calculating the sum or difference of their coefficients (−4+12)z−2Add the numbers 8z−2 8z−2=0Rewrite the expression z28=0Cross multiply 8=z2×0Simplify the equation 8=0Solution z∈∅ Show Solution
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