Question Factor the expression 2(2−5a) Evaluate 4−10aSolution 2(2−5a) Show Solution Find the roots a=52Alternative Form a=0.4 Evaluate 4−10aTo find the roots of the expression,set the expression equal to 0 4−10a=0Move the constant to the right-hand side and change its sign −10a=0−4Removing 0 doesn't change the value,so remove it from the expression −10a=−4Change the signs on both sides of the equation 10a=4Divide both sides 1010a=104Divide the numbers a=104Solution a=52Alternative Form a=0.4 Show Solution
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