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Mathematics 9 Online
OpenStudy (anonymous):

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

jimthompson5910 (jim_thompson5910):

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

OpenStudy (anonymous):

is it the 1st one

OpenStudy (anonymous):

YES THE FIRST ONE

jimthompson5910 (jim_thompson5910):

what two numbers multiply to -80 AND add to -2

jimthompson5910 (jim_thompson5910):

no it's not the first one

OpenStudy (anonymous):

2

OpenStudy (anonymous):

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

OpenStudy (anonymous):

so the 2nd one

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

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

OpenStudy (anonymous):

****help

OpenStudy (anonymous):

sure i need help on mine too..lol

OpenStudy (anonymous):

@ me on there

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