Question Factor the expression 20(4−5s) Evaluate 80−100sSolution 20(4−5s) Show Solution Find the roots s=54Alternative Form s=0.8 Evaluate 80−100sTo find the roots of the expression,set the expression equal to 0 80−100s=0Move the constant to the right-hand side and change its sign −100s=0−80Removing 0 doesn't change the value,so remove it from the expression −100s=−80Change the signs on both sides of the equation 100s=80Divide both sides 100100s=10080Divide the numbers s=10080Solution s=54Alternative Form s=0.8 Show Solution
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