exam Maths Puzzle Numerical Ability

The equation x^3 = 9 + 46i where i = sqre root of -1 has a solution of the form a + bi where a and ba are integers. Find a + b.

I have this problem down to the system: a^3 - 3ab

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exam Other Question

y = x - 2

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Please help me to solve! thanks On the 24-mile trip to school, Brandon sauntered at a leisurely pace. Thus, he had to double his speed on the way back to complete the trip in 9 hours. How fast did he travel in each direction, and what were the two times?