shubham1
Factor Completely: x2 + 16



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gandalfwiz
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THis is a special one, called "the difference of two perfect squares"

shubham1
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i learned the lesson

bahrom7893
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it's a plus

gandalfwiz
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oops.... <blush>

gandalfwiz
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You get nonreal answers then. FUn

shubham1
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(x + 4)(x  4)
(x  4)(x  4)
(x + 4)(x + 4)
Prime
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bahrom7893
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prime

eaularch_1126
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x2 or x^2 ?

bahrom7893
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it's x^2 im assuming

shubham1
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x^2

gandalfwiz
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x^2 +16 wouldn't factor to those

eaularch_1126
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(x+4 )(x4)

gandalfwiz
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no, it's x^2 + 16, not minus

shubham1
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i think its prime

gandalfwiz
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Not factorable into real numbers

shubham1
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prime?

gandalfwiz
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so yeah, prime. Like Optimus

eaularch_1126
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and not negative , like Negatron.
hehehe

gandalfwiz
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;)