Question

x²/2-2x=x/2+4, desenvolver a fórmula de bhaskara

Answer 1

x² -4x = x +8

x² -5x -8 = 0

$\boxed{\mathsf{\Delta=b^2-4ac}}$

25 +32

57

$\boxed{\mathsf{x=\frac{-b\pm\sqrt{\Delta}}{2a}}}}$

5 ± √57/2