Find all the real roots of the following polynomial equation: 1) (3x + 2) (x² - 25) = 0 2) 2x³ – 3x² – 8x + 12 = o 3) 3xª + 5x3 - 28x2 + 4x + 16 = 0

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Chapter4: Polynomial And Rational Functions
Section4.CT: Chapter Test
Problem 24CT
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Find all the real roots of the following polynomial equation:
1) (3x + 2) (x² - 25) = 0
2) 2x3 – 3x2 – 8x + 12 = 0
-
3) 3x4 + 5x3 - 28x2 + 4x + 16 = 0
4) x5 – 2x4 + x³ – 2x2 – 2x + 4 = 0
5) x4 - 4x3 + 4x2 – 36x
45 = 0
6) x4 + 10x + 9 = 0
7) x3 + 9x2 + 22x + 12 = 0
8) 4x3 - 18x2 + 10x - 1 = 0
Transcribed Image Text:Find all the real roots of the following polynomial equation: 1) (3x + 2) (x² - 25) = 0 2) 2x3 – 3x2 – 8x + 12 = 0 - 3) 3x4 + 5x3 - 28x2 + 4x + 16 = 0 4) x5 – 2x4 + x³ – 2x2 – 2x + 4 = 0 5) x4 - 4x3 + 4x2 – 36x 45 = 0 6) x4 + 10x + 9 = 0 7) x3 + 9x2 + 22x + 12 = 0 8) 4x3 - 18x2 + 10x - 1 = 0
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