anonymous
  • anonymous
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
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
got a guess for this one?
anonymous
  • anonymous
do you know how to distribute?
anonymous
  • anonymous
well the teacher told me its 3

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anonymous
  • anonymous
your teacher is wrong
anonymous
  • anonymous
o.O thats somethin i dont hear everyday lol
anonymous
  • anonymous
"do you know how to distribute?"
anonymous
  • anonymous
uhmmm kinda. but ill probably get it wrong.
anonymous
  • anonymous
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
anonymous
  • anonymous
\[−6x^2(4x − 7x^2 − 2)\] \[=-6x^2\times 4x-6x^2\times (-7x^2)-6x^2\times (-2)\] is the first step
anonymous
  • anonymous
as @gaara438125 said, the last term will be \(+12x^2\) which narrows the answer to one choice
anonymous
  • anonymous
yup. thanks guys. but can u explain it fully ? i dont jus want the answers.
anonymous
  • anonymous
and i have no idea who to give the fan/medal too lol
anonymous
  • anonymous
satellite73 explained the process \[−6x^2(4x − 7x^2 − 2)\] \[(-6x^2\times 4x) + (-6x^2\times -7x^2) + (-6x^2\times -2)\]
anonymous
  • anonymous
is there another way to do it ?

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