10x2y2 + 8xy2 - 210y2 = 2y2(5x2 + 4x - 105)
= 2y2(5x2 + 25x - 21x - 105)
= 2y2(x + 5)(5x - 21).
Chat with our AI personalities
2x2 + 15x + 25 = (2x + 5)(x + 5)
3x2 + 36x + 81 = 3(x2 + 13x + 27)
-x2 + 2x + 48 = (x +6)(8 - x)
x3 + 13x2 + 42x = x(x + 6)(x + 7).
2x2+9x+9 = (2x+3)(x+3) when factored