3 years ago

Math help please! Starting back to college after a prolonged break. ☺️

1 answer:

6 0

x^2 + 2x x^2 - 4
------------------- - --------------------
x^2 - 2x - 8 x^2 - 2x - 8

   x(x + 2) - (x+2)(x-2)
= --------------------------------------
     (x + 2)(x - 4)

     (x + 2) ( x - x + 2)
= --------------------------------------
     (x + 2)(x - 4)

     2
= ------------
(x - 4)

x is NOT equal -2 and 4

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