Question Simplify the expression −z2 Evaluate z−z−z×zMultiply the terms z−z−z2The sum of two opposites equals 0 More Steps Evaluate z−zCollect like terms (1−1)zAdd the coefficients 0×zCalculate 0 0−z2Solution −z2 Show Solution Find the roots z=0 Evaluate z−z−z×zTo find the roots of the expression,set the expression equal to 0 z−z−z×z=0Multiply the terms z−z−z2=0Subtract the terms 0−z2=0Removing 0 doesn't change the value,so remove it from the expression −z2=0Change the signs on both sides of the equation z2=0Solution z=0 Show Solution
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