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06-07-2020
Mathematics

contestada

find the solution set x^2+2x-15=0

Respuesta :

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06-07-2020

Answer:

x = 3 or x = -5

Step-by-step explanation:

x² + 2x - 15 = 0

Factor left side of equation.

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

Set factors equal to 0

x - 3 = 0

x = 3

x + 5 = 0

x = -5

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