3x^2 + 7x - 13 = 0. What is x?

By using the quadratic quation, it can be deduced that x = 1.22 or x = -3.55

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Answered by Miranda S. Maths tutor

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Lisa, Max and Punita share £240 in the ratio 3 : 4 : 8 How much more money than Lisa does Punita get?


Solve for x: 2x^2 = 5x + 12


Make x the subject of the formula: 3(2x-y)=ax-4


Define x and y if 2x+y=16 and 4x+6y=24


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