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Ainat [17]
3 years ago
5

Complete the square to solve the equation below.

Mathematics
1 answer:
Vinil7 [7]3 years ago
3 0

9514 1404 393

Answer:

  B.  x = -6, x = 4

Step-by-step explanation:

The constant on the left wants to be 1, the square of half the x-coefficient. We can get it to be that value by adding 8 to the equation.

  x² +2x +1 = 25

  (x +1)² = 25 . . . . . . . rewrite the left side as a square

  x +1 = ±√25 = ±5 . . . . take the square root

  x = -1 ±5 . . . . . . . . . subtract 1

  x = -6 or x = 4

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8 0
2 years ago
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3 years ago
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4 0
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