solve the quadratic function.........thanks..................

Algebra
Tutor: None Selected Time limit: 1 Day

find the roots of the following equation:

x^2+2x+6=0

May 29th, 2015

x^2+2x+6=0; ax^2+bx+c=0

x={-b+/- sqrt(b^2-4ac)}/2a

x={-2+/- sqrt(2^2-4(1)(6))}/2(1)

x={-2+/- sqrt(-20)}/2

x={-2+/-2isqrt(5)}/2

x=-1+/- isqrt(5)

the roots are complex numbers.

x=-1+isqrt(5) and x=-1-isqrt(5)
May 29th, 2015

Why you take so long to answer this question, now I'm late on the question

May 29th, 2015

Studypool gives 20 minutes for each question and i did it quite fast. Sorry for the inconveniece

May 29th, 2015

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