The difference of two squares a2 - b2 factors to (a - b)(a + b)
x^3+x^2+2x = x(x^2+x+2)
2(x + 13)
(2x - 3)(x + 2)
2x^2 + 13 doesn't have rational factors.
I assume you mean factors for 4x2+10x+6.(2x+3)(2x+2).
4x3+10x2+2x+5= (2x+5)(2x2+1)
(2x + 7)(x - 2)
(2x+3)(x+3)
4
14
The solution to the equation 2x plus 2 is 2(x + 1).
2x + 4 = 2 2x = -2 x = -1