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when five the a number is added to twice the square of the of the same number the result is 102 what is numbee

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When 4 times a number is added to a square of the same number, the result is 96. What is the number?

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Snehil Maliwal, studied Science & Mathematics at ST. Anthony's Senior Secondary School, UDAIPUR (2014)

Answered OCT 4, 2017

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Let us assume that lucky number is x.

Now, as ‘x’ is made 4 times of itself, it grows to ‘4x’ . (That’s Great)

Now ‘4x’ is added to the square of ‘x’, it RESULTS in ‘4x + x ^2’ (Wohh, that’s big)

Now, this is equal to 96.

Therefore,

4x + x^2 = 96

Writing it in proper quadratic form



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