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Talja [164]
3 years ago
15

The sum of the square of a positive number and the square of 3 or more than the numbers is 17. What is the number

Mathematics
1 answer:
Crank3 years ago
3 0

Answer:

 1

Step-by-step explanation:

Let x represent the number. The given relation is ...

 x² +(x+3)² = 17

 2x² +6x +9 = 17 . . . . simplify

 x² +3x -4 = 0 . . . . . . subtract 17 and divide by 2

 (x +4)(x -1) = 0 . . . . . factor

The solutions make these factors zero: -4 and +1. The positive solution is 1.

The number is 1.

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Then take equation b) from the equation a) to eliminate the x component.

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5 0
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Answer:

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2 years ago
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