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22 September, 15:46

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)

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Answers (1)
  1. 22 September, 15:58
    0
    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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