exam Maths Puzzle Numerical Ability

Instructions: Perform the indicated operations.

What is the soultion for -4x^2(5x^4-3x^2+x-2)

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exam Other Question

if tim and bob are 2 months apart and bob is four months older than julia, and julia is 6 months 2 months older than tim. list them in order form youngest to oldests. Find three consecutive integers whose sum is 156.