exam Maths Puzzle Numerical Ability

How do I solve this problem? x(3x + 1) (x + 1) = 0

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exam Other Question

A Bank loaned out $12,000, part of it at the rate of 8% per year and the rest at the the rate of 18% per year. If the interest recieved totaled $1000, how much was loaned at 8%? -4/5 + 0.7 divided by 3/4