Math, asked by nayaniseerat, 1 month ago

The sum of a whole number and twice the square of the number is 10. Find the number?

Answers

Answered by itzbhavesh282

5

Answer:

Let the number be x.

From the given condition,

2x+3(x+1)

2

=83

3x

2

+8x+3=83

3x

2

+8x−80=0

3x

2

−12x+20x−80=0

3x(x−4)+20(x−4)+0

(3x+20)(x−4)=0

Since it is an integer,

x=4.

hint

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