Factoring trinomials a=1
Factor by Grouping: x3+5x2+5x+25
(x2+5)(x+5)
Factor by Grouping: 9x3+3x2+15x+5
(3x2+5)(3x+1)
Factor by Grouping: 4x3-10x2+6x-15
(2x2+3)(2x-5)
Factor by Grouping: x5-3x3-5x2+15
(x3-5)(x2-3)
Factor by Grouping: 3x2+xy2-3xy-y3
(x-y)(3x+y2)