(9x³ + 3x² – 5x + 7) by (3x - 1)
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Step-by-step explanation:
9x3 + 3x2 - 5x + 7 / 3x - 1
9x3 + 3x2 - 5x +7
gives the quotient (3x2 + 2x - 1) and the remainder 6 when dividing 3x - 1.
(3x - 1) (3x2 + 2x - 1) = 0
x = 1/3, -1,1 / 3
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