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love history [14]
3 years ago
9

Solve x2 + 2x + 1 = 17 for x.

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0
X=−1+√17 or x=−1−√17 is the answer.
Jobisdone [24]3 years ago
5 0
First get the equation to equal 0 by subtracting 17 from both sides.
You should have x^2+2x-16=0
Next plug your numbers into the quadratic formula(-b^2+/- the square root of b^2-4ac -all divided by 2a)
The end result should be x=-1+/- the square root of 17 or(if you want the decimal) 3.12310562, -5.12310562
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