(x - 2)(x + 7) -2(3 - x )(2 + x)
= (x - 2)(x + 7) + 2(x - 3)(x + 2)
= x² + 5x - 14 + 2(x² - x - 6)
= x² + 5x - 14 + 2x² - 2x - 12
= 3x² + 3x - 26
(x - 2)(x + 7) -2(3 - x )(2 + x)
= (x - 2)(x + 7) + 2(x - 3)(x + 2)
= x² + 5x - 14 + 2(x² - x - 6)
= x² + 5x - 14 + 2x² - 2x - 12
= 3x² + 3x - 26