Step-by-step explanation:
Given
( 3x - 2 ) ( x² + 5x - 8 )
= 3x ( x² + 5x - 8) - 2 ( x² + 5x - 8)
= 3x³ + 15x² - 24x - 2x² - 10x + 16
= 3x³ + 13x² - 34x + 16
