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Bananas1234

  • one year ago

What is the factored form of 4z2 – 24z + 36?

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  1. anonymous
    • one year ago
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    Find the Greatest Common Factor (GCF)

  2. anonymous
    • one year ago
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    the GCF is 4

  3. skullpatrol
    • one year ago
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    That^ is the factor that is common to all the terms :-)

  4. anonymous
    • one year ago
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    Factor out the GCF 4(4z^2/4+-24z/4+36/4) Simplify

  5. anonymous
    • one year ago
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    You have to Simplify each term in parentheses 4(z^2-6z +9)

  6. anonymous
    • one year ago
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    z^2-6z +9 fits the form a^2−2ab+b^2 Simplify using the identity

  7. Jack1
    • one year ago
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    @skullpatrol no fair if it's off the screen ;)

  8. skullpatrol
    • one year ago
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    :D

  9. anonymous
    • one year ago
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    4(z^2 - 2(z)(3) + 3^2)

  10. anonymous
    • one year ago
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    Use Square of Difference and simplify

  11. Bananas1234
    • one year ago
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    ok

  12. Bananas1234
    • one year ago
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    sorry my computer froze.

  13. Bananas1234
    • one year ago
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    i am back now, so would that equal (2z + 6)(2z – 6)?

  14. anonymous
    • one year ago
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    Nope, it's (a-)^2 which is = 4 (z-3)^2

  15. Bananas1234
    • one year ago
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    oh ok

  16. Bananas1234
    • one year ago
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    my options are: (2z + 6)2 (2z – 6)2 (2z + 6)(2z – 6) 4(z + 6)(z – 6)

  17. Bananas1234
    • one year ago
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    im still a bit confused @Jack1

  18. Jack1
    • one year ago
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    none of ur answers fit the equation then, the only right ones are 4(z-3)(z-3) or 4(z-3)^2 or (4z-12)(z-3) which are all just different ways of writing what nando's wrote above hey... sorry :(

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