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ZeHanzBest ResponseYou've already chosen the best response.1
It is of the form a²  b² = (a + b)(a  b). Here: a² = 4y² and b² = 9. So if you can figure out a and b, you can factor it!
 one year ago

soccerbabe239Best ResponseYou've already chosen the best response.0
would it be (4y+3)(4y3) ?
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.0
Close, but not quite. 4*4 = 16.
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.0
\[a^2 = 4y^2\]Take square root of both sides \[a=\sqrt{4y^2} = ?\]
 one year ago

soccerbabe239Best ResponseYou've already chosen the best response.0
oh haha so it would be (2y+3)(2y3)
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.0
By the way, learning to recognize difference of squares like this is an important trick in your bag of factoring tricks.
 one year ago

soccerbabe239Best ResponseYou've already chosen the best response.0
okay! haha blonde moment! :)
 one year ago

ZeHanzBest ResponseYou've already chosen the best response.1
We all have that once in a while!
 one year ago

soccerbabe239Best ResponseYou've already chosen the best response.0
haha this is my 6 th one today :/
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.0
And whenever you think you've solved something, or factored it, it's not a bad idea at all to expand it out or plug in the solution and make sure that your answer works!
 one year ago

ZeHanzBest ResponseYou've already chosen the best response.1
You used them up for the whole week already!
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.0
Might have to wear a wig for a few days ;)
 one year ago

soccerbabe239Best ResponseYou've already chosen the best response.0
haha thanks guys! and its natural I cant help it. and the wig wouldnt hide anything. honestly ive tried that and it didn't work:(
 one year ago

ZeHanzBest ResponseYou've already chosen the best response.1
Just learn to live with it ;)
 one year ago

soccerbabe239Best ResponseYou've already chosen the best response.0
haha I do! I just accept im a natural blonde but at least im not a bimbo!
 one year ago

ZeHanzBest ResponseYou've already chosen the best response.1
Good luck with your maths problems!
 one year ago

whpalmer4Best ResponseYou've already chosen the best response.0
I have a friend who is a natural brunette, but she prefers to be blonde, and often pulls it off quite convincingly :)
 one year ago
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