Question:

Simplifying question?

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1) (3x^2 + x – 1)(2x – 3)

2) (8a^3b^2)(2a^4b^5)

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

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  1. 1.

    6x^3 + 2x^2 - 2x -9x^2 - 3x + 3

    6x^3 -7x^2 -5x +3

    2

    16 a ^7 b^7  (add 3+4 and 2 +5 for the powers)

    3

    -27x^6 y^9 z^3 (multiply 2*3, 3*3, 1*3)

    AM


  2. 1.  (3x^2+x-1)(2x-3)

    = 6x^3 +2x^2 -2x -9x^2 -3x +3

    = 6x^3 -7x^2 -5x +3

    2.  (8a^3b^2)(2a^4b^5) = 16a^(3+4) b^(2+5) = 16a^7 b^7

    3.  (-3x^2y^3z)^3 = -27x^6y^9z^3
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