Which shows 60^2 − 40^2 being evaluated using the difference of squares method?
1 answer:
The difference of squares method uses the following formula:
Answer A has the squares multiplied out, then put into the formula, which is incorrect.
Answer B does not use this formula, as the squares are multiplied out and solved without using this method.
Answer C subtracts in terms of the power, which is completely wrong.
The answer is D.
Answer A has the squares multiplied out, then put into the formula, which is incorrect.
Answer B does not use this formula, as the squares are multiplied out and solved without using this method.
Answer C subtracts in terms of the power, which is completely wrong.
The answer is D.
You might be interested in