alexkesiya14
contestada

simplify, (xy+yz)² - 2x²y²z² and find the value when x=-1, y=2 and z=1

plz answer this fast plz u will give you brainly plz help me fast only 5min left to answer​

Respuesta :

Nadinala

Simplify:

We have

  • (xy + yz)² - 2x²y²z

If,

  • x = -1, y = 2 and z = 1

Putting value:

  • (xy + yz)² - 2x²y²z

➡ (-1×2 + 2×1)² - 2×-1²×2²×1

➡ (-2 + 2)² - 2×1×4×1

➡ (0)² - 8

➡ 0 - 8 = -8,answer

Otras preguntas