Find all real and complex solution(s) for the following quadratic equation.?
If you have more than one solution, enter your answers from SMALLEST to LARGEST and separate your answers with a comma and no spaces.
If we solve -2 x2-6=40 x for x, then the value for the discriminant is
and the solution is x =
- 9 years agoBest Answer
▲= b²-4ac =discriminant
-2 x2-6=40 x
▲= b²-4ac = 20²-4(-3)= 400+12=412
x= (-b±√▲)/2a= (-20±√412)/2
- ErikaLv 43 years ago
The quadratic formula has the term sqrt(b^2-4ac), for ax^2+bx+c=0. If the term interior the sq. root is damaging, then you incredibly get a complicated answer. so which you in basic terms would desire to discover the equation the place b^2 - 4ac < 0. For A, b^2 - 4ac = -sixteen, so this would desire to be the respond.