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Simplify fully {x^2 -3x -4}/{x^2 + 4x +3}

  1. Factorise the top and bottom {x^2 -3x -4}/{x^2 + 4x +3}=(x+1)(x-4)/(x+1)(x+3)                                                                                                  2) Cancel the common terms  Answer = (x-4)/(x+3)
Answered by James T. • Maths tutor

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