[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