algebra

Completely factor the following expressions. Please show work/explain

t^2+4tv+4v2

4x^2-8x-12+6x

144-9p^2

5c^2-24cd-5d^2

w^2-17w+42

256z^2-4-192z^2+3

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

35g^2+6g-9

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

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asked by Amanda
  1. looks like ur trying to pass off ur homework on us...

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    posted by v
  2. no, the homework was 50 questions, these are just the ones I've tried to do several times and failed miserably at.

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    posted by Amanda
  3. 1. a perfect square --- easy
    2. use grouping
    3. difference of squares
    4. (5x + d)(x - 5d)
    5. I see two numbers that when multiplied give me 42 , and when added will give me -17,
    Can you see : -14, -3
    6. simplify to get a difference of squares
    7. ?? all I can see is a common factor of 2
    8. take out common factor of 3j, then work on the quadratic

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    posted by Reiny

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