7x 2 - 19x - 6 By using splitting the middle term = 7 x 2 - 19x - 6 = 7 x 2 + ( - 21 + 2)x - 6 = 7x(x - 3) + 2(x - 3) = (x - 3)(7x + 2)

7x 2 - 19x - 6 = ?

7x² - 19x - 6

By using splitting the middle term

= 7 x² - 19x - 6

= 7x² + ( - 21 + 2)x - 6

= 7x(x - 3) + 2(x - 3)

= (x - 3)(7x + 2)