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vortish
factor the trinomial completely x^2 -4x -32
Find the factors of the last term Think about what factors will add to the second term The - - pattern will mean the factors will be a + - (x + )(x - )
(x + ) (x - ) if 4x is positive put the larger number to the (x + ) example x^2 + 4x + 12 (x+6) (x-2)