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Rachelanne087go
Answered

7. Simplify
2x(x² + 2) - (x + 2)²– 3(1 - x²).​

Sagot :

Xenosinsgo
Answer:

2x^3 + 2x^2 - 7

Answer:

2x³+2x²-7

Step-by-step explanation:

2x(x²+2)-(x+2)²-3(1-x²)

2x³+4x-(x²+4x+4)-3+3x²

2x³+4x-x²-4x-4-3+3x²

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