Question

resolva essa equação:
$4 {x}^{2} + 11x - 3 = 0$
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Answer 1

4x² +11x -3=0

∆=11² -4.4.(-3)= 121 +48=169 => √∆=13

x = -b±√∆/2a

x = -11±13/2.4

x' = -11+13/8 = 2/8 = 1/4 ✓

x" = -11-13/8 = -24/8 = -3 ✓