Question

x²+2x+15=0​ ocupo la comprobacion y factorizacion

Answer 1

x² + 2x + 15 = 0

x           + 5

x           - 3

5x - 3x = +2x

(x + 5)(x - 3) = 0

x + 5 = 0        x - 3 = 0

x = 5              x = 3

CS = (3; 5)

Eternamente

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