Question

x^2 + 2x -3 =0 por favor me ajudem

Answer 1

x²+2x-3=0
Coeficientes:
a=1,b=2,c=-3
Delta(Δ)
Δ=b²-4.a.c
Δ=2²-4.1.-3
Δ=4+12
Δ=16
Raízes:
x'=-b+√Δ/2.a
x'=-2+√16/2.1
x'=-2+4/2
x'=+2/2
x'=1
x''=-2-4/2
x''=-6/2
x''=-3