1) (125a^3-64b^3 = (5a-4b)(25a^2+20ab+16b^2))
2) (1-c^3 = (1-c)(1+c+c^2))
3) (8x^3-1 = (2x-1)(4x^2+2x+1))
4) (t^3+1 = (t+1)(t^2-t+1))
5) (125+a^3 = (5+a)(25-5a+a^2))
6) ((2x-3)^2-2x(4+2x) = 11) ((4x^2-12x+9)-8x-4x^2 = 11) (-20x+9 = 11) (-20x = 2) (x = -1/10)
1) (125a^3-64b^3 = (5a-4b)(25a^2+20ab+16b^2))
2) (1-c^3 = (1-c)(1+c+c^2))
3) (8x^3-1 = (2x-1)(4x^2+2x+1))
4) (t^3+1 = (t+1)(t^2-t+1))
5) (125+a^3 = (5+a)(25-5a+a^2))
6) ((2x-3)^2-2x(4+2x) = 11)
((4x^2-12x+9)-8x-4x^2 = 11)
(-20x+9 = 11)
(-20x = 2)
(x = -1/10)