Question

$x^{2} +5x-6=0$

Answer 1

x² + 5x - 6 = 0

(x -1). (x +6)= 0

x'=1....x"=-6

vou passear na carroça de Bhaskara:

∆=b² -4ac = 5² -4.1.(-6)= 25+24=49

x = -b±√∆/2a

x = -5±7/2

x' = -5+7/2 = 2/2 = 1 ✓

x" = -5-7/2 = -12/2 = -6 ✓