Question

2x²+5 x + 2=0

porfabor ayudenme ​

Answer 1

2x²+5 x + 2=0

formula general. x=-b±√b²-4ac

2a

a=2. X=-5±√5²-4•2•2

b=5. 2.2

c=2 X=-5±√25-4•2•2

2•2

X=-5±√25-16

2•2

X=-5±√9

2•2

X=-5±3

2•2

X=-5±3

4

X=-5+3 X=-5-3

4 4

X=-2 X=-8

4 4

x=-1 x=-2

2