If x^2=3x+2, then x^3 = ? Choose the correct choice:
A) 3x+2
B) 6x+2
C) 11x+6
D) 8x-3
E) 5x+4
x^2 = 3x+2   x^3 = x*x^2 = x*(3x+2) = 3x^2 + 2x = 3(3x+2)+2x = 11x+6   The answer is 11x+6.
<result>C</result>
If x^2=3x+2, then x^3 = ?