Question Simplify the expression p−21 Evaluate 1×p−21Solution p−21 Show Solution Find the roots p=21 Evaluate 1×p−21To find the roots of the expression,set the expression equal to 0 1×p−21=0Any expression multiplied by 1 remains the same p−21=0Move the constant to the right-hand side and change its sign p=0+21Solution p=21 Show Solution
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