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MeganLewis

  • 2 years ago

Which polynomial is a perfect square trinomial? 9x2 − 12x + 4 36b2 − 24b + 16 16x2 − 24x − 9 4a2 − 10a − 25

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  1. 91
    • 2 years ago
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    a^2 + 2ab+b^2

  2. vishweshshrimali5
    • 2 years ago
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    \(a^2 + 2ab + b^2\)

  3. vishweshshrimali5
    • 2 years ago
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    iF U don't know why then please ask............ \(:)\)

  4. MeganLewis
    • 2 years ago
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    That isn't one of the choices

  5. vishweshshrimali5
    • 2 years ago
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    That is only a hint............. compare this with ur choices

  6. MeganLewis
    • 2 years ago
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    But none of them even look like that

  7. vishweshshrimali5
    • 2 years ago
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    U can compare to the other form that is \(a^2 - 2ab + b^2\)

  8. MeganLewis
    • 2 years ago
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    none of the choices have that form

  9. 91
    • 2 years ago
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    alright, let's work on this

  10. 91
    • 2 years ago
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    let's try to factor this 9x2 − 12x + 4

  11. 91
    • 2 years ago
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    (3x 2 ) (3x 2 ) choose sign so you can put -12 in middle

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