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