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Popular >

simplificar (2k^3+6k+1)-(2k^2+1)

Solución

simplificar

(2 k^{3} + 6 k + 1) - (2 k^{2} + 1)

Solución

2 k^{3} - 2 k^{2} + 6 k

Pasos de solución

(2 k^{3} + 6 k + 1) - (2 k^{2} + 1)

Aplicar la propiedad:

(a) = a

(2 k^{3} + 6 k + 1) = 2 k^{3} + 6 k + 1

= 2 k^{3} + 6 k + 1 - (2 k^{2} + 1)

Poner los parentesis utilizando:

- (a + b) = - a - b

- (2 k^{2} + 1) = - 2 k^{2} - 1

= 2 k^{3} + 6 k + 1 - 2 k^{2} - 1

Agrupar términos semejantes

= 2 k^{3} - 2 k^{2} + 6 k + 1 - 1

Restar:

1 - 1 = 0

= 2 k^{3} - 2 k^{2} + 6 k

Ejemplos populares

(2(5/7-1/2))/(3/5-1/3)

\frac{2 ( \frac{5}{7} - \frac{1}{2} )}{\frac{3}{5} - \frac{1}{3}}

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3 x^{3} - 6 x^{5} + 9 x^{2}

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