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Please help solve this.

Please help solve this.
asked 178k views
4 votes
Please help solve this.

Please help solve this.-example-1
asked
User Joel Fillmore
by
7.6k points

1 Answer

6 votes

Answer:

C

Explanation:


x^2 - 2x - 1 = 0\\x^2 = 2x + 1\\x^4 = 4x^2 + 4x + 1\\x^4 = 4(2x + 1) + 4x + 1\\x^4 = 8x + 4 + 4x + 1\\x^4 = 12x + 5

answered
User Schmauch
by
8.2k points
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