Respuesta :
this is a difference of two cubes equation. To solve it, use this formula:
(a^3-b^3) = (a-b)(a^2+2ab+b^2)
or
x^3-8 = (x-2)(x^2+4x+4)
(a^3-b^3) = (a-b)(a^2+2ab+b^2)
or
x^3-8 = (x-2)(x^2+4x+4)
x³ - 8 = 0
x³ = 0 + 8
x³ = 8
Take the cube root of both sides
∛x³ = ∛8
∛(x*x*x) = ∛(2*2*2)
x = 2
Hope this helps.
x³ = 0 + 8
x³ = 8
Take the cube root of both sides
∛x³ = ∛8
∛(x*x*x) = ∛(2*2*2)
x = 2
Hope this helps.