Question Factor the expression 4(55−4b) Evaluate 220−16bSolution 4(55−4b) Show Solution Find the roots b=455Alternative Form b=13.75 Evaluate 220−16bTo find the roots of the expression,set the expression equal to 0 220−16b=0Move the constant to the right-hand side and change its sign −16b=0−220Removing 0 doesn't change the value,so remove it from the expression −16b=−220Change the signs on both sides of the equation 16b=220Divide both sides 1616b=16220Divide the numbers b=16220Solution b=455Alternative Form b=13.75 Show Solution
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