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The expression below is the factorization of what trinomial?

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(-1) (x-4)(5x+1)
asked Sep 6, 2014 in ALGEBRA 2 by hana_24 Novice
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1 Answer

+1 vote

(-1) (x-4)(5x+1)

=(-1)(x(5x+1)-4(5x+1))

=(-1)(x(5x)+x- 4(5x) - 4(1))

=(-1)(5x²+x- 20x - 4)

=(-1)(5x²- 19x - 4)

=-5x²+ 19x + 4

So trinomial is -5x²+ 19x + 4

 

answered Sep 6, 2014 by bradely Mentor

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