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Write x² – 2x – 1 in the form (x + a)² + b where a and b are integers.

Write x² – 2x – 1 in the form (x + a)² + b where a and b are integers.
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1 vote
Write x² – 2x – 1 in the form (x + a)² + b where a and b are integers.

asked
User Darcey
by
7.9k points

1 Answer

1 vote

Answer:


x^(2) -2x -1\\=x^(2) -2x+1-2\\=x^(2) -2(x)(1) +1^(2) -2\\=(x-1)^(2) -2

Therefore,

a = -1 and b = -2

answered
User CodingKiwi
by
8.1k points
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