Question

Efectuar A=(-5x²yz)(x²y)(-2xz³) ​

Answer 1

Respuesta:

5x²y + 3y²z-2xz   si x= -2, y=-4 , z =4

5 (-2)²(-4) + 3(-4)²(4)- 2(-2)(4) = 5(4)(-4) + 3(16)(4) + 4(4) = 20(-4) + 48(4) + 16 = -80 + 192 + 16 = 112 + 16 = 128

Explicación paso a paso: