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sveticcg [70]
3 years ago
9

Solve for x in the equation x squared + 2 x + 1 = 17.

Mathematics
1 answer:
PtichkaEL [24]3 years ago
5 0

Step-by-step explanation:

quadratic formula

<u>-b+-√b^2</u>

<u>2</u><u>a</u>

<u>-</u><u>2</u><u>+</u><u>-</u><u>√</u><u>2</u><u>^</u><u>2</u><u>-</u><u>4</u><u>×</u><u>1</u><u>×</u><u>-</u><u>1</u><u>6</u>

2×1

<u>-2+-√68</u>

2

either

x= 3.125

or

x= -5.125

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Let the average profit or loss in year 2006 be x millions, 


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