[factoring trinomials 2][section 45]

(1.)  3x2 + 11x + 10             here is the problem

=   (3x + 5)(x + 2)             factor

(2.)   9y2 + 3y - 2          here is the problem

=    (3x + 2)(3x - 1)          factor

(3.)  15y2 - y - 2            here is the problem

=  (3y + 1)(5y - 2)           factor

(4.)  6y2 - 17y + 12             here is the problem

=    (3y - 4)(2y - 3)         factor

(5.)  21x2 + 5x - 6                here is the problem

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

(6.)  6x2 - 5x - 4                 here is the problem

=     (3x - 4)(2x + 1)             factor

(7.)   6y2 - 17y + 12                 here is the problem

=    (2y - 3)(3y - 4)              factor

(8.)  8y2 - 2y - 1                 here is the problem

=     (4y + 1)(2y - 1)             factor

(9.)  2y2 + 7y + 5             here is the problem

=   (2y + 5)(y + 1)            factor

(10.)  2b2 + 13b + 15          here is the problem

=   (2b + 3)(b + 5)           factor