exam Maths Puzzle Numerical Ability

solve the equation by factoring

144a(Cubed)minus25d = 0

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exam Other Question

(Insurance Rates) yearly car insurance rates have risen in the last few years. The rate y (in dollars) for a small car x years after 1997 can be modeled by y=60x+678.
(a) sketch
Could someone please help me to solve
3x^2-11x=4


Thanks in advance for your help!