Question

valor numérico de las expresiónes algebraicas sabiendo que x=-2, y=3, z =4.

x²(y-2)-y(x+2)+3y³

⅔x³y²z-5x²y³z²+10

3/4xy²z³-x²y³z²+x³y²2³- 1/2

Aiudaaaaaaaa


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Answer 1

Explicación paso a paso:

Hay que reemplazar los valores en cada expresión para hallar el resultado:

x²(y-2)-y(x+2)+3y³

(-2)²(3-2)-(3)(-2+2)+3(3)³

73

⅔x³y²z-5x²y³z²+10

⅔(-2)³(3)²(4)-5(-2)²(3)³(4)²+10

-8822

3/4xy²z³-x²y³z²+x³y²2³- 1/2

3/4(-2)(3)²(4)³-(-2)²(3)³(4)²+(-2)³(3)²2³- 1/2

-6337/2

Answer 2

$Remplazamos:$

$-2^{2}(3-2)-3(-2+2)+3(3)^{3}$

$-4(1)-3(0)+3(27)$

$-4+81$ $=$ $77$

$Remplazamos:$

$\frac{2}{3}-(2)^{3}(3)^{2}(4)-5(-2)^{2}(4^{2})(3^{2})+10$

$\frac{2}{3}-(8)(9)(4)-5(-4)(16)(9)+10$

$2-(32)(3)-5(-576)+10$

$2-96+2880+10$

$-94+2890=2796$

$Remplazamos:$

$\frac{3}{4}(-2)(3^{2} ) (4^{2} )-(-2^{2} )(3^{3} )(4^{2} )+(-2^{3} ) (3^{2})(2^{3} )-\frac{1}{2}$

$\frac{3}{4}(-2)(9)(16)-(-4)(27)(16)+(-8)(9)(8)-\frac{1}{2}$

$3(-18)(4)-(1728)+(-72)(4)-1$

$3(-72)-1728+(-288)-1$

$-216-1728-288-1=-2233$

$Gracias$ $por$ $elegir$ $brainly$ $:)$