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Deffense [45]
3 years ago
5

The square of a positive number increased by twice the number equals three. Find the number

Mathematics
1 answer:
koban [17]3 years ago
8 0

Answer:

1

Step-by-step explanation:

Let the number be x

x² + 2x = 3

x² + 2x - 3 = 0

Product  = -3

Sum =2

Factors = 3 * (-1)

x² + 3x - x - 3 = 0

x*(x+3) - (x + 3) = 0

(x + 3)(x - 1) = 0

Ignore x + 3 because the number is a positive number

x - 1 = 0

x = 1

The number is 1

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<h3>How to determine the scale factor of dilation?</h3>

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