Question
Can (-x – y) (x + y) be multiplied by using the difference-of-squares formula? Explain why or why not
Answers
lawlz
No it cannot because it is different from the difference of the squares formula i.e. (X-Y)(X+Y)
for this, it becomes -(x+y)(x+y) = -(x+y)^2 which is different from the difference of squares identity
for this, it becomes -(x+y)(x+y) = -(x+y)^2 which is different from the difference of squares identity