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mikaa_toxica13

  • 3 years ago

Choose the correct simplification of the expression −6x^2(4x − 7x^2 − 2). 42x^4 + 24x^3 − 12x^2 −42x^4 + 24x^3 − 12x^2 −13x^4 − 2x^3 − 8x^2 42x^4 − 24x^3 + 12x^2

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  1. anonymous
    • 3 years ago
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    got a guess for this one?

  2. gaara438125
    • 3 years ago
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    do you know how to distribute?

  3. mikaa_toxica13
    • 3 years ago
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    well the teacher told me its 3

  4. anonymous
    • 3 years ago
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    your teacher is wrong

  5. mikaa_toxica13
    • 3 years ago
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    o.O thats somethin i dont hear everyday lol

  6. gaara438125
    • 3 years ago
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    "do you know how to distribute?"

  7. mikaa_toxica13
    • 3 years ago
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    uhmmm kinda. but ill probably get it wrong.

  8. gaara438125
    • 3 years ago
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    Just the distribute −6x^2 and -2 that'll make it so you can narrow the answer down to the correct one, or you can do the rest too lol

  9. anonymous
    • 3 years ago
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    \[−6x^2(4x − 7x^2 − 2)\] \[=-6x^2\times 4x-6x^2\times (-7x^2)-6x^2\times (-2)\] is the first step

  10. anonymous
    • 3 years ago
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    as @gaara438125 said, the last term will be \(+12x^2\) which narrows the answer to one choice

  11. mikaa_toxica13
    • 3 years ago
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    yup. thanks guys. but can u explain it fully ? i dont jus want the answers.

  12. mikaa_toxica13
    • 3 years ago
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    and i have no idea who to give the fan/medal too lol

  13. gaara438125
    • 3 years ago
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    satellite73 explained the process \[−6x^2(4x − 7x^2 − 2)\] \[(-6x^2\times 4x) + (-6x^2\times -7x^2) + (-6x^2\times -2)\]

  14. mikaa_toxica13
    • 3 years ago
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    is there another way to do it ?

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