E. Find all the real roots of the following polynomial equation: 1) (3x + 2) (x2 - 25) = 0 2) 2x - 3x2 - 8x + 12 = 0 3) 3x+ + 5x3 - 28x2 + 4x + 16 = 0 TRIGE 4) xs - 2x + x3 - 2x2 - 2x + 4 = 0 (12 5) x4 - 4x3 + 4x2- 36x - 45 = 0 6) x + 10x + 9 = 0 7) x3 + 9x2 + 22x + 12 = 0 8) 4x3 - 18x2 + 10x - 1 = 0


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