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15x^2 - 16x - 7

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factoring a trinomial

 

asked Dec 3, 2013 in ALGEBRA 1 by abstain12 Apprentice
reshown Dec 3, 2013 by goushi
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1 Answer

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Given trinomial is 15x^2-16x-7

= 15x^2-21x+5x-7

= 3x(5x-7)+1(5x-7)

= (3x+1) (5x-7)

 

answered Dec 3, 2013 by william Mentor

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