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Mathematics 12 Online
OpenStudy (anonymous):

Solve x2 – 4x = 5.

OpenStudy (anonymous):

subtract 5 from both sides x^2 -4x -5 = 0 factor (x-5)(x+1)=0 So x = 5 or x = -1

OpenStudy (anonymous):

Solve. 7x2 – 35x = 168

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