anonymous
  • anonymous
Simplify (5x+10)(5x-10)
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
FOIL
anonymous
  • anonymous
so...answer would be 5(x^2-4)?
dumbcow
  • dumbcow
factor out a 5 5(x+2)(x-2)

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More answers

anonymous
  • anonymous
This is simple, you can solve by using the identity: (a + b) (a-b) = a^2 - b^2 so it is (5x)^2 - (10)^2 = 25x^2 - 100
dumbcow
  • dumbcow
ooops yeah i meant 25(x-2)(x+2)
anonymous
  • anonymous
which reduces to 5(x^2-4)?
anonymous
  • anonymous
Then you can take out common factor 25 to get final answer 25 (x^2 - 4)
anonymous
  • anonymous
@kaynkay Go thru my answer. It is step-by-step logic and clear
anonymous
  • anonymous
oops - I see, have to leave the 25, since the 100 is the factor - so answer would be: 25(x^2-4)...got it, thank you!
anonymous
  • anonymous
Good ! However, if you hv to show factors, then dumbcow's answer is right.

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