Question

RESOLVER
5X-2(X-4)+X2 = (X-1)(X-3)

Answer 1

Explicación paso a paso:

$5x - 2(x - 4) + {x}^{2} =(x - 1)(x - 3) \\ 5x - 2x + 8 + {x}^{2} = {x}^{2} - 3x - x + 3 \\ {x}^{2} + 3x + 8 = {x}^{2} - 4x + 3 \\ {x}^{2} + 3x + 8 - {x}^{2} + 4x - 3 = 0 \\ 7x + 5 = 0 \\ 7x = 0 - 5 \\ 7x = - 5 \\ x = \frac{ - 5}{7}$