Davies Ramirez
05/22/2024 · Middle School
Calcula las operaciones teniendo en cuenta lo guientes polinomios. \( m(x)=3 x^{2}+4 x-3 \) \( n(x)=5 x^{5}+3 x^{2}+2 \) \( q(x)=-4 x^{3}-2 x^{2}+5 x \) \( p(x)=-3 x^{3}-7 x^{2}+x-1 \) 203. \( m(x)-(q(x) \times n(x))-p(x) \) 204. \( p(x)+(q(x) \times n(x))-p(x) \) 205. \( m(x)+(q(x) \times n(x))-p(x) \) 206. \( n(x)+q(x)-p(x)+m(x) \) 207. \( q(x)-[(m(x)+n(x))-p(x)] \)
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Step-by-step Solution
Para resolver las operaciones con los polinomios dados, primero vamos a definir cada uno de ellos:
\[
m(x) = 3x^2 + 4x - 3
\]
\[
n(x) = 5x^5 + 3x^2 + 2
\]
\[
q(x) = -4x^3 - 2x^2 + 5x
\]
\[
p(x) = -3x^3 - 7x^2 + x - 1
\]
Ahora, realizaremos las operaciones solicitadas.
### 203. \( m(x) - (q(x) \times n(x)) - p(x) \)
Primero, calculamos \( q(x) \times n(x) \):
\[
q(x) \times n(x) = (-4x^3 - 2x^2 + 5x)(5x^5 + 3x^2 + 2)
\]
Multiplicamos cada término de \( q(x) \) por cada término de \( n(x) \):
1. \(-4x^3 \times 5x^5 = -20x^8\)
2. \(-4x^3 \times 3x^2 = -12x^5\)
3. \(-4x^3 \times 2 = -8x^3\)
4. \(-2x^2 \times 5x^5 = -10x^7\)
5. \(-2x^2 \times 3x^2 = -6x^4\)
6. \(-2x^2 \times 2 = -4x^2\)
7. \(5x \times 5x^5 = 25x^6\)
8. \(5x \times 3x^2 = 15x^3\)
9. \(5x \times 2 = 10x\)
Sumando todos los términos:
\[
q(x) \times n(x) = -20x^8 - 10x^7 + 25x^6 - 12x^5 + (15x^3 - 8x^3) - 6x^4 - 4x^2 + 10x
\]
\[
= -20x^8 - 10x^7 + 25x^6 - 12x^5 + 7x^3 - 6x^4 - 4x^2 + 10x
\]
Ahora, calculamos \( m(x) - (q(x) \times n(x)) - p(x) \):
\[
m(x) - (q(x) \times n(x)) - p(x) = (3x^2 + 4x - 3) - (-20x^8 - 10x^7 + 25x^6 - 12x^5 + 7x^3 - 6x^4 - 4x^2 + 10x) - (-3x^3 - 7x^2 + x - 1)
\]
Simplificando:
\[
= 3x^2 + 4x - 3 + 20x^8 + 10x^7 - 25x^6 + 12x^5 - 7x^3 + 6x^4 + 4x^2 - 10x + 3x^3 + 7x^2 - x + 1
\]
Agrupando términos semejantes:
\[
= 20x^8 + 10x^7 - 25x^6 + 12x^5 + (-7x^3 + 3x^3) + (3x^2 + 4x^2 + 7x^2) + (4x - 10x - x) + (-3 + 1)
\]
\[
= 20x^8 + 10x^7 - 25x^6 + 12x^5 - 4x^3 + 14x^2 - 7
\]
### 204. \( p(x) + (q(x) \times n(x)) - p(x) \)
Aquí, \( p(x) \) se cancela:
\[
p(x) + (q(x) \times n(x)) - p(x) = (q(x) \times n(x)) = -20x^8 - 10x^7 + 25x^6 - 12x^5 + 7x^3 - 6x^4 - 4x^2 + 10x
\]
### 205. \( m(x) + (q(x
Quick Answer
203. \( 20x^8 + 10x^7 - 25x^6 + 12x^5 - 4x^3 + 14x^2 - 7 \)
204. \( -20x^8 - 10x^7 + 25x^6 - 12x^5 + 7x^3 - 6x^4 - 4x^2 + 10x \)
205. \( 20x^8 + 10x^7 - 25x^6 + 12x^5 - 4x^3 + 14x^2 - 7 \)
206. \( 5x^5 + 3x^2 + 2 - 4x^3 - 2x^2 + 5x - 3x^3 - 7x^2 + x - 1 + 3x^2 + 4x - 3 \)
207. \( -4x^3 - 2x^2 + 5x - (3x^2 + 4x - 3 + 5x^5 + 3x^2 + 2 - 3x^3 - 7x^2 + x - 1) \)
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