What is the formula of quadratic equation?
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The general form of a quadratic equation
ax^2 + bx + c = 0
Where
- a, b, and c are constants, and
- x is an unknown variable.
This equation can be solved using the quadratic formula:
x = (-b ± √(b^2 – 4ac)) / (2a)
Where
- √ represents the square root symbol.
The quadratic formula gives the two solutions for x, which represent the roots of the quadratic equation.
Note that if the discriminant (b^2 – 4ac) is negative, then the quadratic equation has no real solutions.
In this case, the solutions are complex numbers.