3. Multiply the following:
(a) (3x2 - 2x + 6) x (x2 + 7x - 3)
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Step-by-step explanation:
(3x² - 2x + 6)(x² + 7x -3)
3x⁴ + 21x³ - 9x² - 2x³ - 14x² + 6x + 6x² + 42x - 18
3x⁴ + 19x³ - 17x² + 48x - 18
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