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18 votes
18 votes
Please help I need it​

Please help I need it​-example-1
User Mcuadros
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1 Answer

17 votes
17 votes

Answer:


7 {x}^(2) + 5x - 12

Explanation:


{6x}^(2) + {x}^(2) + 5x - 3 - 9 \\ 7x ^(2) + 5x - 12

User Satsuki
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