is X =-1a root of the quadratic equation x2-3x-4=0?
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Dear Parents,
Despite of our repeated requests you haven't been able to remit the outstanding tuition fee of your ward which has been accomolated in many thousands now. This has resulted in piling up of school liabilities and the school functioning is nearing collapse.
You are once again requested to please deposit the same with in two days.
The matter may be treated as MOST URGENT.
Regards
Principal.
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Yes ,it is.f(-1)=(-1)2-3(-1)-4=1+3-4=0=X=-1 is a root of given quadratic equations
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