exam Maths Puzzle Numerical Ability

How do I solve 10x4 - 30x3 - 50x - 20 ? (Please note 4 and 3 are exponents.)

Read Solution (Total 0)

exam Other Question

Please help me with this one.

^3 - 5x + 1 / x-35x
(30-i)-(18+6i)+30i