A few days ago
Math review help?
Okay I need a math review, what is (2 root x)^2? I think it is 4x but I don’t remimber. Thanks
Top 2 Answers
A few days ago
Favorite Answer
You`re right !
(2rt x)^2
=2rt x * 2rt x,
=2*2*rt x*rt x
=4x. Well done, take 10 extra Brownie points !
0
A few days ago
You’re right. It is 4x.
(2 sqrt(x))^2
= (2 sqrt(x)) (2 sqrt(x))
= (2*2) (sqrt(x*x))
= 4 (sqrt(x^2))
= 4x
0
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