Kanorenesithaj
Kanorenesithaj Kanorenesithaj
  • 30-04-2016
  • Mathematics
contestada

What is the factorization of the following trinomial? 15x2 - 44x - 36

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Willchemistry
Willchemistry Willchemistry
  • 30-04-2016
[tex]15x^2-44x-36[/tex]

[tex]=(15x^2+10x)+(-54x-36)[/tex]

factor out  5x from [tex]15x^2+10x = 5x(3x+2)[/tex]

Factor out -18 from [tex]-54x-36 = -18(3x+2)[/tex]

[tex]=5x(3x+2)-18(3x+2)[/tex]

Factor out common term [tex](3x+2)[/tex]

[tex]= (3x+2)(5x-18)[/tex]

hope this helps!
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