Question

equacao do 2°grau 2x²+2x-29=0

Answer 1

Por bhaskara:
a=2
b=2
c=-29
Δ=b²-4.a.c
Δ=(2)²-4.2.(-29)
Δ=4+232
Δ=236

x=$\frac{-b+/- \sqrt{delta} }{2a}$
x=$\frac{-2+/- \sqrt{236} }{2(2)}$

MMC:
236 [] 2
118 [] 2
59  [] 59
1    [] 1
√(236)=2√(59)

x'=[-2+(2√(59)]/4

x''=[-2-(2√(59)]/4