Respuesta:
15x²-45x = 150
15x²-45x-150 = 150-150
15x²-45x-150 = 0
(15x²/15)-(45x/15) = (150/10)
x²-3x = 10
x²-3x-10 = 10-10
x²-3x-10 = 0
x²-5x+2x-10 = 0
x(x-5)+2(x-5) = 0
(x-5)(x+2) = 0
X1 = 5 y X2 = -2
Explicación paso a paso:
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Respuesta:
15x²-45x = 150
15x²-45x-150 = 150-150
15x²-45x-150 = 0
(15x²/15)-(45x/15) = (150/10)
x²-3x = 10
x²-3x-10 = 10-10
x²-3x-10 = 0
x²-5x+2x-10 = 0
x(x-5)+2(x-5) = 0
(x-5)(x+2) = 0
X1 = 5 y X2 = -2
Explicación paso a paso: