Question Simplify the expression 28a−27 Evaluate 28a−15−12Solution 28a−27 Show Solution Find the roots a=2827Alternative Form a=0.964˙28571˙ Evaluate 28a−15−12To find the roots of the expression,set the expression equal to 0 28a−15−12=0Subtract the numbers 28a−27=0Move the constant to the right-hand side and change its sign 28a=0+27Removing 0 doesn't change the value,so remove it from the expression 28a=27Divide both sides 2828a=2827Solution a=2827Alternative Form a=0.964˙28571˙ Show Solution
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