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Mathematics 21 Online
OpenStudy (anonymous):

42+45v-27v^2 Factor

OpenStudy (amistre64):

42+45v-27v^2 = 0 (-1) 27v^2 -45v -42 = 0

OpenStudy (amistre64):

factor out a 3 to make life easier

OpenStudy (amistre64):

or not lol.. this ones gonna be fractional

OpenStudy (anonymous):

ok I tried this one and got a weird answer

OpenStudy (amistre64):

3 goes into 45 tho right?

OpenStudy (anonymous):

15

OpenStudy (amistre64):

3(9v^2 -15v -14) = 0

OpenStudy (anonymous):

so that what I need

OpenStudy (amistre64):

9(14) = 90+36 = 126 1,126; 2,63;3,42; 6,21 these look promising.. (v-21/9)(v+6/9) reduce

OpenStudy (amistre64):

(v-7/3)(v+2/3) ; if its got a bottom stick it in front 3v-7; 3v+2

OpenStudy (anonymous):

so that is the answer that I am looking for right

OpenStudy (amistre64):

and dont forget the original 3 we took out :)

OpenStudy (amistre64):

3(3v-7)(3v+2) is the answer

OpenStudy (anonymous):

ok

OpenStudy (anonymous):

that is not one of the answers I have multiple choice here

OpenStudy (anonymous):

I got it was -3 in front instead

OpenStudy (anonymous):

Is one of your chooice answers v = -2/3 or v= 7/3

OpenStudy (amistre64):

-3 is better yes

OpenStudy (amistre64):

i forgot about the -1 I used ..

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