Show that x = 2 is on root of the equation x^e -4x^2 + (q + 4)x - 2q = 0.

If the other two roots of this equation differ by 4, find the value of q, and solve the equation completely.

Can someone show me how to do this q please? Thanks!

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- Dec 15th 2009, 03:14 PMDetanonCubic Equation
Show that x = 2 is on root of the equation x^e -4x^2 + (q + 4)x - 2q = 0.

If the other two roots of this equation differ by 4, find the value of q, and solve the equation completely.

Can someone show me how to do this q please? Thanks! - Dec 15th 2009, 04:16 PMmathaddict