Factoring trinomials when a=1
Factor x^2-7x+6
(x-6)(x-1)
Factor x^2+2x+1
(x+1)(x+1)
Factor completely: x^4-625
(x+5)(x-5)(x^2+25)
Factor x^2+x-6
(x-2)(x+3)
Factor y^2+12y+20
(y+10)(y+2)
Factor completely: 2x^3+14x^2-60x
2x(x+10)(x-3)
Factor: x^2-10x+25
(x-5)(x-5)