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What is the simplified form of the quantity xsquared minus 16 over the quantity x plus 4 ?
 one year ago
 one year ago
What is the simplified form of the quantity xsquared minus 16 over the quantity x plus 4 ?
 one year ago
 one year ago

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DeadShotBest ResponseYou've already chosen the best response.1
\[\frac{ x^216 }{ (x+4) }\]
 one year ago

geerky42Best ResponseYou've already chosen the best response.2
\[\dfrac{x^2  16}{x+4}\] I'd factor the numerator if I were you.
 one year ago

geerky42Best ResponseYou've already chosen the best response.2
Remember the differences of squares? \[x^2  a^2 = (xa)(x+a)\]
 one year ago

DeadShotBest ResponseYou've already chosen the best response.1
so then, the numerator would be \[(x+4)(x4)\]right?
 one year ago

DeadShotBest ResponseYou've already chosen the best response.1
and then the (x+4) would cancel each other out
 one year ago

DeadShotBest ResponseYou've already chosen the best response.1
leaving the answer as x  4, with the restriction x ≠ 4
 one year ago

Sigmon11Best ResponseYou've already chosen the best response.0
x4, I did that one in my head
 one year ago
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