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3 years ago

9

Add or subtract (5x^2-4x-1)-(-4x^2-4)

1 answer:

kifflom [539]3 years ago

6 0

Answer:

5x^2 - 4x - 1 + 4x^2 + 4

9x^2 - 4x + 3

Step-by-step explanation:

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