3_u_(u – 2_v_)(u_2 – 2_uv – 4_v_2)

3_u_\[u_3 – (2_v)3\]

3_u_(u – 2_v_)(u + 2_v_)

3_u_(u – 2_v_)(u_2 + 2_uv + 4_v_2)

3_u_(_u_3 – 8_v_3)

3_u_(u – 2_v_)(u_2 – 2_uv – 4_v_2)

3_u_\[u_3 – (2_v)3\]

3_u_(u – 2_v_)(u + 2_v_)

3_u_(u – 2_v_)(u_2 + 2_uv + 4_v_2)

3_u_(_u_3 – 8_v_3)

–3 and 1

5

–3

No solution possible

–3 and 1

5

–3

No solution possible

None of the other answers are correct.

x = 3, 9

x = –3, 6

x = 3, 6

x = –3, –6

x = 3, –6