Question

Multiply -2x²y(y²x² - x²z + xy³) and verify the result when x=2, y= -1, z=-2​

Answer 1

Answer:

- 2x^2y ( y^2x^2 - x^2z + xy^3 )

- 2x^4y^3 + 2x^4yz - 2x^3y^4

putting x=2, y= -1, z=-2

- 2(2)^4(-1)^3 + 2(2)^4(-1)(-2) - 2(2)^3(-1)^4

- 2 × 16 × -1 + 2 × 16 × 2 - 2 × 8 × 1

32 + 64 - 16

= 80

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Answer 2

Answer:

Step-by-step explanation:

+27*7# ok dbwosiiwuufssismn8(#+3+(_