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OpenStudy (anonymous):
(3x+2)(x-5)(5x+4)
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OpenStudy (anonymous):
\[15x ^{3}-53x ^{2}-102x-40\] roots- x= -(4/5) x= -(2/3) x= 5
OpenStudy (anonymous):
(3x+2)(x-5)(5x+4) = (3x^2 -15x +2x -10) ( 5x +4) =[3x^2 -13x -10] (5x +4) = 15x^3 -65x^2 -50x +12x^2 -52x -40 =15x^3 -53x^2 -102x -40
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