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06-06-2019
Mathematics

contestada

Subtract these polynomials.
(6х2 – ҳ+ 8) — (х2 + 2) =
А. 7х2 – x+6
В. 5х2 – x+ 10
с. 5x? - x+6
D. 7x2-x+ 10

Respuesta :

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06-06-2019

Answer:

5 x^2 - x + 6

Step-by-step explanation:

- (x^2 + 2) + 6 x^2 - x + 8

- x^2 - 2 + 6 x^2 - x + 8

(6 x^2 - x^2) - x + (8 - 2)

5 x^2 - x + (8 - 2)

= 5 x^2 - x + 6

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