gioanny39x
Simplify completely quantity 5 x squared minus 21 x minus 20 all over quantity 5 x squared minus 16 x minus 16



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aroub
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5x^221x20/5x^216x16 ?

gioanny39x
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yes :)

aroub
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Okay :) Well, all you have to do is factor and cancel.

aroub
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When you factor 5x^221x20 it will become (x5)(5x+4)

aroub
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and when you factor 5x^216x16 it will become (5x+4)(x4)

gioanny39x
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so itll be x5/x4?

aroub
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Yes!

gioanny39x
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can you help withSimplify completely quantity 2 x squared plus 13 x plus 20 all over x squared minus 5 x minus 36 @aroub

aroub
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Yeah :)

aroub
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2x^2+13x+20/x^25x36
Same steps as before, lets factor!
2x^2+13x+20 = (2x+5)(x+4)
x^25x36 = (x9)(x+4)

aroub
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=> (2x+5)(x+4)/(x9)(x+4)
By cancelling,
= 2x+5/x9

gioanny39x
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2x+5/x9?

aroub
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=)

gioanny39x
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thank you!

aroub
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No probleemmm!