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Mathematics 15 Online
OpenStudy (anonymous):

Can anyone explain how to solve this equation?

OpenStudy (anonymous):

\[\frac{ 6t ^{2} - t -1 }{ 3(t ^{2} + 1) } = 2\]

OpenStudy (anonymous):

Do you know how to factorize quadratic equation?

OpenStudy (anonymous):

Sorry, well there is no need of factorization.. Just cross multiply first.. Can you do this?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Cross Multiplication will be your first step.. So go for it and tell me what you got..

OpenStudy (anonymous):

\[6t^2 - t - 1 = 2 (3t ^{2} +1)\]

OpenStudy (anonymous):

Is this correct?

OpenStudy (anonymous):

Yes this is correct, expand RHS more..

OpenStudy (anonymous):

Sorry, net got disconnected..

OpenStudy (anonymous):

Can you expand RHS more by multiplying 2 to the brackets..

OpenStudy (anonymous):

\[the \right side : 6 x 2t^2 +2

OpenStudy (anonymous):

Write the whole equation, not the RHS only..

OpenStudy (anonymous):

\[(2t-1) (3t+1) = 6 x 2t ^{2} +2\]

OpenStudy (anonymous):

is this correct?

OpenStudy (anonymous):

Hey, do not factorize the numerator equation.. \[2 \times 3(t^2 + 1) = ??\] Solve it completely..

OpenStudy (anonymous):

On LHS you are getting : \[6t^2 - t - 1\] Keep it as such.. On RHS: you are getting: \[6(t^2 + 1) = ??\] can you expand this RHS part by Distributive property??

OpenStudy (anonymous):

\[6t ^{2} + 6\]

OpenStudy (anonymous):

like this?

OpenStudy (anonymous):

Yep.. good.. So you are left with now: \[6t^2 - t - 1 = 6t^2 + 6\] Subtract both the sides by \(t^2\) and tell me what did you get?

OpenStudy (anonymous):

Sorry subtract by \(6t^2\)..

OpenStudy (anonymous):

does t equal -7?

OpenStudy (anonymous):

Good... Yep..

OpenStudy (anonymous):

Thanks a lot!:)

OpenStudy (anonymous):

You are welcome dear..

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