Question Factor the expression 4(3a−7) Evaluate 12a−28Solution 4(3a−7) Show Solution Find the roots a=37Alternative Form a=2.3˙ Evaluate 12a−28To find the roots of the expression,set the expression equal to 0 12a−28=0Move the constant to the right-hand side and change its sign 12a=0+28Removing 0 doesn't change the value,so remove it from the expression 12a=28Divide both sides 1212a=1228Divide the numbers a=1228Solution a=37Alternative Form a=2.3˙ Show Solution
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