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evergirl
 3 years ago
please help
evergirl
 3 years ago
please help

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evergirl
 3 years ago
Best ResponseYou've already chosen the best response.1how did u do that though?

tcarroll010
 3 years ago
Best ResponseYou've already chosen the best response.1(a + b)(a  b) is the form of your expression. You have to multiply that out: a(a  b) + b(a  b) = a^2  ab + ab  b^2 = a^2  b^2

tcarroll010
 3 years ago
Best ResponseYou've already chosen the best response.1In this case, a is 8 and b is sqrt(10)
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