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3 years ago

Please help me :(((((((((((((((((((9

1 answer:

7 0

$( - x - 5)( - 2 {x}^{2} + 3x + 1) \\ = 2 {x}^{3} - 3 {x}^{2} - x + 10 {x}^{2} - 15x - 5 \\ = 2 {x}^{3} + 7 {x}^{2} - 16x - 5 \\$

I hope I helped you^_^

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Rita = 2500

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Let the price at which she sells the hi-fi set be x ~

$\huge \bf༆ Answer ༄$

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