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Mars2501 [29]
3 years ago
6

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

Mathematics
1 answer:
lbvjy [14]3 years ago
7 0

Answer:

Step-by-step explanation:

x^2 + 2x + 1 = 17

x^2 + 2x = 17 - 1

x^2 + 2x = 16

x^2 + 2x + 1 = 16 + 1

(x + 1)(x + 1) = 17

(x + 1)^2 = 17

x + 1 = sqrt 17

x = -1 (+ - ) sqrt 17

x = -1 + sqrt 17 or x = -1 - sqrt 17 <===

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