(x + 3) (x2 + 2x - 1)
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(x + 3) (x² + 2x - 1)
(x) (x² + 2x - 1) + (3) (x² + 2x - 1)
x³ + 2x² - x + 3x² + 6x - 3
x³ + 5x² + 5x - 3
HOPE THIS HELPS
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