Shannon20150
Which of the following is the complete factorization of 3x2  6x  240?
3(x  2)(x  80)
3(x + 8)(x  10)
3x(x  2)(x  10)
Help me please



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jim_thompson5910
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3x^2  6x  240
3(x^2  2x  80)
Now factor x^2  2x  80

Shannon20150
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is it the 1st one

dietrich_harmon
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YES THE FIRST ONE

jim_thompson5910
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what two numbers multiply to 80 AND add to 2

jim_thompson5910
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no it's not the first one

Shannon20150
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2

dietrich_harmon
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3x^2  6x  240
=> 3 ( x^2  2x  80 )
=> 3 ( x + 8 )( x  10 )

Shannon20150
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so the 2nd one

dietrich_harmon
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yup

Shannon20150
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okay will u hel me again if not that's okay and thank yal

Shannon20150
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****help

dietrich_harmon
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sure i need help on mine too..lol

Shannon20150
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@ me on there