Answer:
3. (2x-5)(6x+1) 6. (7x-2)(3x+1)
Step-by-step explanation:
3. 12x²-28x-5
12x²+2x-30x-5
Find common factor:
2x(6x+1)-5(6x+1)
Rewrite in factored form:
(2x-5)(6x+1)
6. 21x²+x-2
21x²+7x-6x-2
Find common factor:
7x(3x+1)-2(3x+1)
Rewrite in factored form:
(7x-2)(3x+1)
