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Mathematics 8 Online
OpenStudy (anonymous):

3x^2+27=0

OpenStudy (mayankdevnani):

3x^2 - 27 = 0 3 (x^2 - 9) = 0 3 (x-3)(x+3) = 0 x-3 = 0 or x+3 = 0 x = 3 or -3 -9x^2 + 12x = 0 -3x (3x - 4) = 0 3x = 0 or 3x-4 = 0 x = 0 or 4/3

OpenStudy (mayankdevnani):

ok @Jasminebunnies

OpenStudy (anonymous):

Ohh I get it now! Thank you @mayankdevnani

OpenStudy (mayankdevnani):

welcome

OpenStudy (anonymous):

@mayankdevnani the ques is 3x^2 + 27 = 0???????

OpenStudy (mayankdevnani):

i think the solution to this equation could not be determined @niksva 3x^2 + 27 = 0 sorry!! @Jasminebunnies

OpenStudy (mayankdevnani):

3x^2=-27 x^2=-9 x=sqrt-9

OpenStudy (mayankdevnani):

answer is \[x=\sqrt{-9}\]

OpenStudy (anonymous):

3x^2 +27 = 0 3x^2 = -27 x^2 = -9 x = ± sqrt(-9) x = ±3i

OpenStudy (anonymous):

answer is x= ± 3i

OpenStudy (mayankdevnani):

yaa .. it can be...but definitely answer is the solution to this equation could not be determined

OpenStudy (anonymous):

so the answer would be an imaginary number?

OpenStudy (anonymous):

yeah solution would be an imaginary number

OpenStudy (anonymous):

Oh ok thank you :)

OpenStudy (mayankdevnani):

right!!!

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