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pogonyaev
3 years ago
14

Subtract these polynomials.

Mathematics
1 answer:
Ivanshal [37]3 years ago
8 0

Answer:

The correct answer for this question is D. -3x^2+11x+14

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Her first error was adding the wrong number to both sides. Instead of 4², it should be 2²

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When completing the square, the number that needs to be added to both sides is (b/2)²

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