Just a little pic I found on the internet:
Try and find out what is wrong
SPOILER ALERT!!!
In step 6, due to the order of operations, the operation inside the parentheses (a-x) should be done first which would cause the equation to be 0=0.
SPOILER ALERT!!!
In step 6, due to the order of operations, the operation inside the parentheses (a-x) should be done first which would cause the equation to be 0=0.
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