Question Factor the expression 5(3−4b) Evaluate 15−20bSolution 5(3−4b) Show Solution Find the roots b=43Alternative Form b=0.75 Evaluate 15−20bTo find the roots of the expression,set the expression equal to 0 15−20b=0Move the constant to the right-hand side and change its sign −20b=0−15Removing 0 doesn't change the value,so remove it from the expression −20b=−15Change the signs on both sides of the equation 20b=15Divide both sides 2020b=2015Divide the numbers b=2015Solution b=43Alternative Form b=0.75 Show Solution
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