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Mathematics 13 Online
OpenStudy (anonymous):

solve x^2+18x+81=25

OpenStudy (anonymous):

take 25 to the left hand side so the equation has a 0 on the right hand side. so, x^2+18x+81-25=0 x^2+18x+56=0 x^2+4x+14x+56=0 x(x+4)+14(x+4)=0 (x+4)(x+14)=0 so, either x+4=0, so x=-4 or x+14=0, so x= -14

OpenStudy (usman1995):

yep that's right

OpenStudy (anonymous):

think you so very much @Arnab09

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