Which of the following is a solution of 2x2 = -3x - 5?

Question

anonymous · Answer

is it $$2x^2 = -3x-5$$

gavin39 · Answer

that's the equation  @wilfley

gavin39 · Answer

Which of the following is a solution of 2x2 = -3x - 5? 

 x equals the quantity of negative 3 minus 7 i, all over 4 

 x equals the quantity of 3 plus 7 i, all over 4 

 x equals the quantity of 3 minus i square root 31, all over 4 

 x equals the quantity of negative 3 plus i square root 31, all over 4

anonymous · Answer

I'm pretty sure you're going to have to use the quadratic equation.  Do you know it?

gavin39 · Answer

Not at all

gavin39 · Answer

If I did I pro wouldn't be asking the question lol

anonymous · Answer

$$x=\frac{ -b \pm \sqrt{b^2-4ac} }{ 2a }$$  move everything over to the left side of the equation.  The coefficient of the x^2 term is your 'a', the coefficient of the x term is your b and the constant is the c.