coldswat coldswat

17-03-2017
Mathematics

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Please explain how to finish these 3 problems, if you answer them you'll get brainlyist.

Please explain how to finish these 3 problems if you answer them youll get brainlyist class=

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Аноним Аноним

17-03-2017

12. (x-√3)(x+1) = x² + (1-√3)x - √3

13. (x+2)(x²+4) = x³ + 2x² + 4x + 8

14. (3x³ + 6x² - 5x + 12) ÷ (x-3)

= [(x - 3)(3x² + 15x + 40) + 132 ] ÷ (x-3)

Quotient = 3x² + 15x + 40
Remainder = 132

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