Question Simplify the expression −5z2 Evaluate 2z2−7z2Collect like terms by calculating the sum or difference of their coefficients (2−7)z2Solution −5z2 Show Solution Find the roots z=0 Evaluate 2z2−7z2To find the roots of the expression,set the expression equal to 0 2z2−7z2=0Subtract the terms More Steps Simplify 2z2−7z2Collect like terms by calculating the sum or difference of their coefficients (2−7)z2Subtract the numbers −5z2 −5z2=0Change the signs on both sides of the equation 5z2=0Rewrite the expression z2=0Solution z=0 Show Solution
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