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Quadratics and Cubics, SMB-028

Solve the equation  `c^2-24=5c`  for `c`.  (2 marks)

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`c=8 \ text{or}\ -3`

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`c^2-24` `=5c`
`c^2-5c-24` `=0`
`(c-8)(c+3)` `=0`

 
`:. c=8 \ text{or}\ -3`

Filed Under: Quadratics and Cubics Tagged With: num-title-ct-pathb, smc-4386-30-Quadratics (Monic)

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