Chapter 6 - Section 6.3 - Factoring Trinomials of the Form ax2+bx+c - Exercise Set - Page 436: 67

$-1*(2x-5)(7x-2)$

$-14x^2+39x-10$ $-1*(14x^2-39x+10)$ Factors of 10: 1 and 10, 2 and 5, -1 and -10, -2 and -5 Factors of 14: 1 and 14, 2 and 7, -1 and -14, -2 and -7 $(2x-5)(7x-2)$ $2x*7x+2x*-2+7x*-5+(-5)(-2)$ $14x^2-4x-35x+10$ $14x^2-39x+10$ $-1*(2x-5)(7x-2)$