SOLUTION: -(7x)^2 = 49x^2 or -49x^2

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Question 261952: -(7x)^2 = 49x^2 or -49x^2
Answer by dabanfield(803) About Me  (Show Source):
You can put this solution on YOUR website!
-(7x)^2 = 49x^2 or -49x^2
-(7x)^2 = - (7^2)*x^2 = - 49x^2
On the other hand:
(-7x)^2 = (-7)^2*x^2 = 49x^2
See the difference? :)