Question Factor the expression 7(5−3b) Evaluate 35−21bSolution 7(5−3b) Show Solution Find the roots b=35Alternative Form b=1.6˙ Evaluate 35−21bTo find the roots of the expression,set the expression equal to 0 35−21b=0Move the constant to the right-hand side and change its sign −21b=0−35Removing 0 doesn't change the value,so remove it from the expression −21b=−35Change the signs on both sides of the equation 21b=35Divide both sides 2121b=2135Divide the numbers b=2135Solution b=35Alternative Form b=1.6˙ Show Solution
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