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cocotian
@cocotian
June 2021
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Pouvez vous m'aider svp?
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slyz007
Verified answer
E=9+2x²-(4x+3-3x²)
E=9+2x²-4x-3+3x²
E=5x²-4x+6
F=3+(15y²-5y+3)-(-13y+9+3y²)
F=3+15y²-5y+3+13y-9-3y²
F=12y²+8y-3
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Verified answer
E=9+2x²-(4x+3-3x²)E=9+2x²-4x-3+3x²
E=5x²-4x+6
F=3+(15y²-5y+3)-(-13y+9+3y²)
F=3+15y²-5y+3+13y-9-3y²
F=12y²+8y-3