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meow18 Group TitleBest ResponseYou've already chosen the best response.0
\[3 \over x5 \] + \[5 \over x ^{2}25\]
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
do u know what's special about x^2 25?
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
it's something called "the difference of 2 perfect squares".
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
all that means is x^2  a perfect square=(x+the square root)(xthe square root)
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
so x^225 becomes (x+5)(x5)
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
k, so now u havedw:1324334896764:dw
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
multiply the 3/x5 by (x+5)/(x+5)
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
that gives us a common denominator
 2 years ago

meow18 Group TitleBest ResponseYou've already chosen the best response.0
So \[3x + 20 \over (x+5) (x5)\]
 2 years ago

gandalfwiz Group TitleBest ResponseYou've already chosen the best response.1
so busy concentrating on my drawing that I couldn't see what you posted :)
 2 years ago

jimmyrep Group TitleBest ResponseYou've already chosen the best response.0
@meow  see the lcm question
 2 years ago
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