Make an appropriate substitution in order to obtain a quadratic equation. Find all complex values for x. (x2 - 3x)2 - 14(x2 - 3x) + 40 = 0

A. x = - 1, - 2, 4, 10, 4, 5
B. x = 4, 5
C. x = - 1, - 2, 4, 5
D. x = 4, 10


Answer: C

Mathematics

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A.

B.

C.

D.

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