Question Simplify the expression −21h Evaluate 9h−30hCollect like terms by calculating the sum or difference of their coefficients (9−30)hSolution −21h Show Solution Find the roots h=0 Evaluate 9h−30hTo find the roots of the expression,set the expression equal to 0 9h−30h=0Subtract the terms More Steps Simplify 9h−30hCollect like terms by calculating the sum or difference of their coefficients (9−30)hSubtract the numbers −21h −21h=0Change the signs on both sides of the equation 21h=0Solution h=0 Show Solution
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