Question Factor the expression 21(2x−1) Evaluate x−21Solution 21(2x−1) Show Solution Find the roots x=21Alternative Form x=0.5 Evaluate x−21To find the roots of the expression,set the expression equal to 0 x−21=0Move the constant to the right-hand side and change its sign x=0+21Solution x=21Alternative Form x=0.5 Show Solution
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