Tìm x, biết : a) x^3 = 4 b) 6x(x^2 - 3) - (3 - x^2) = 0 c) (x + 1)^2 - (x + 1)(x - 2) = 0

$$\begin{gathered} Câu 2: Tìm x: \\ a. x^3=4 \\ b. 6x (x^2 - 3)-(3-x^2)=0 \\ c. {(x+1)}^2-(x+1)(x-2)=0 \\ d. {(2x-3)}^2-{(x+5)}^2=0 \end{gathered}$$
$$\begin{gathered} e. (x^3-x^2)-4x^2+8x-4=0 \\ f. x^3-x^2-25x+25=0 \\ g. 4x^3-8x^2-9x+18=0 \\ h. x^3+2x^2-x-2=0 \end{gathered}$$
$$\begin{gathered} i. 2x(x-3)-15+5x=0 \\ j. x^4+5x^3-8x-40=0 \\ k. 2x^3+3+3x^2+2x=0 \end{gathered}$$