anna741 anna741

18-01-2021
Mathematics

contestada

Solve 2x(x + 4) = x - 3

Respuesta :

everettlawrence123 everettlawrence123

18-01-2021

Answer:

-1/2

Step-by-step explanation:

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radomiradimitrova radomiradimitrova

18-01-2021

2x ² + 8x = x - 3
2x ² + 8x - x + 3 = 0
2x ² + 7x + 3 = 0
2x ² + 6x + x + 3 = 0
2x(x+3) + (x+3) = 0
(x+3)(2x+1) = 0
x= -3 ; -1/2

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