harrissw8IdiotGenius harrissw8IdiotGenius

20-07-2017
Mathematics

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Solve for x: 15x2 = x+2

x2 is x to the second power

Respuesta :

garydesir1 garydesir1

20-07-2017

Greeting!

15x² = x + 2
15x² - x -2= 0
Factor left side
(5x-2)(3x+1)=0
Set factors equal to 0
5x - 2 = 0 or 3x + 1 -0
x = 2/5 or x= -1/3

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