SOLUTION: you are given a polynomial equation and one or more of its roots. Find the remaining roots.
19. 2x^3 - 5x^2 - 4x + 3=0 ; root : x=3
please explain solutions
I would really
Algebra ->
Quadratic Equations and Parabolas
-> SOLUTION: you are given a polynomial equation and one or more of its roots. Find the remaining roots.
19. 2x^3 - 5x^2 - 4x + 3=0 ; root : x=3
please explain solutions
I would really
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Question 171941: you are given a polynomial equation and one or more of its roots. Find the remaining roots.
19. 2x^3 - 5x^2 - 4x + 3=0 ; root : x=3
please explain solutions
I would really appreciate any help
please help soon Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! 2x^3 - 5x^2 - 4x + 3 = 0 ; root : x=3
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Use synthetic division to divide by x-3
3)....2....-5....-4....3
.......2.....1.....-1..|.0
Quotient: 2x^2 + x -1 = 0
Factor: (2x-1)(x+1) = 0
x = 1/2, or x = -1 are the other roots
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Cheers,
Stan H.
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