exam Maths Puzzle Numerical Ability

Can you show me the steps to expand and solve

{{{3sqrt2(sqrt2+1)}}}

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TRANSPORTATION: THE THRUST SSC IS THE WORLD'S FASTEST LAND VEHICLE. SUPPOSE THE DRIVER OF A CAR WHOSE TOP SPEED IS 200 MILES PER HOUR REQUESTS A RACE AGAINST THE SS i think it is simple but does not make sense to me [6 grade] 9-m=8