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1. Subtract and simplify
(-y^2-4y-8)-(-4y^2-6y+3)

2. Multiply and simplify
2x^2y^3z^2*4xy^4x^2

3. Multiply and simplify
(x-4) (x^2-5x-6)

Respuesta :

Anonymouslizard

Step-by-step explanation:

1-(-y^2-4y-8)-(-4y^2-6y+3)

Simplify: 3y^2+2y−11

Subtract: 3y^2+2y-11

2. 2x^2y^3z^2*4xy^4x^2

Simplify: 8x^5y^7z^2

Subtract: 8x^5y^7z^2

3. (x-4) (x^2-5x-6)

Simplify: x^3-9x^2+14x+24

Subtract: x^3-9x^2+14x+24

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