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algebra

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Completely factor the following expressions.
1. 256z^2-4-192z^2+3

2. 2a^2c^3-14bc^3+32c^3d^2

3. 35g^2+6g-9

4. 3j^3-51j^2+210j

  • algebra -

    1.
    collect terms
    64z^2 - 1
    (8z-1)(8z+1)

    2.
    factor out the c^3
    c^3(2a^2-14b+32d^2)

    3.
    (5g+3)(7g-3)

    4.
    factor out the 3j
    3j(j^2 - 17j + 70)
    3j(j-7)(j-10)

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