Question

2x-1/2=x² delta e bhaskara

Answer 1

2x - 1/2  = x²
-x² + 2x  - 1/2 = 0  ( - 1)
x² - 2x + 1/2 = 0
b² - 4ac = (2)²  - [ 4 * 1 * 1/2 ]  =  4 - 2 =2 ou +-V2  ***
Nota 4 * 1/2  = 4/2 = 2 ***
x = ( 2 +-V2)/2
x1 = ( 2 +V2)/2 ***
x2 = ( 2 - V2)/2  ***