Question

c) (x3 + 10x2 + 29x + 20) (x2 + 5x + 4)
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Answer 1

(x³ + 10x² + 29x + 20) . (x² + 5x + 4)

x³.x² + x³.5x + 4.x³ + 10x².x² + 10x².5x + 10x².4 + 29x.x² + 29x.5x + 29x.4 + 20.x² + 20.5x + 20.4

x⁶ + 5x⁴ + 4x³ + 10x⁴ + 50x³ + 40x² + 29x³ + 145x² + 116x + 20x² + 100x + 80

x⁶ + 15x⁴ + 83x³ + 205x² + 216x + 80