Respuesta :

spencer14
6x^2 - 216 = 0 divide both sides by 6 
x^2 - 36 = 0 
x^2 = 36 
x = 6 and -6 

8x^2 = 56 
x^2 = 7 
x = square root(7), and - square root(7) 

5x^2 -10x = 0 factor out a 5x 
5x (x - 2) = 0 so, 5x = 0 and x - 2 = 0 
x = 0 and 2

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