orcawave6209 orcawave6209

20-10-2017
Mathematics

contestada

Question help the sum of a number and its square is 56. find theâ€‹ number(s).

Respuesta :

22-10-2017

I can't read the meaning of â€‹, but x + x^2 =56
yields x = -8, 7 by factoring x^2 + x -56 = 0 (x+8)(x-7)=0

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