exam Maths Puzzle Numerical Ability

Please help me with this equation-Thank You!

Find a polynomial equation with real coefficients that has the given roots.

3, -9, 3+2i

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exam Other Question

x/3+8=11 solve for x In 1990,Jamie's university tuition was $1500. In 1995, tuition at the same university cost $3200. Assuming that an exponential model applies, how much will tuition cost in 2009???