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S8martieDeeac
S8martieDeeac S8martieDeeac
  • 26-06-2016
  • Mathematics
Answered

factor x squared minus 15 x plus 36 all over 5 x minus 60

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 30-06-2016

first factor top
x^2-15x+36
what multipilies to 36 and adds to -15
-3 and -12
(x-3)(x-12)

bottom
5x-60
factor out 5
(5)(x-12)

now we have
\(\frac{(x-3)(x-12)}{(5)(x-12)}=( \frac{x-3}{5} )( \frac{x-12}{x-12} ) = \frac{x-3}{5}\)

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