7x2 - 19x - 6By using splitting the middle term= 7 x2 - 19x - 6= 7x2 + ( - 21 + 2)x - 6= 7x(x - 3) + 2(x - 3)= (x - 3)(7x + 2)

Q11 of 90 Page 115

7x² - 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)

ab - a - b + 1 = ?

3 + 23x - 8x² = ?

12x² + 60x + 75 = ?

10p² + 11p + 3 = ?

7x2 - 19x - 6 = ?