Quadratic Equation Calculator
Quartic Equation Calculator

Cubic Equation Calculator



To see how the Cubic Formula is derived, click here
Input MUST have the format:
AX3 + BX2 + CX + D = 0

EXAMPLE: If you have the equation:
2X3  - 4X2  - 22X + 24 = 0

then you would input:
A=  2   B= -4   C= -22   D=24

Click E N T E R and your answers should be:
        4     -3   and   1


A= B= C= D=

X1 =
X2 =
X3 =


To see the method for solving cubic equations, click HERE



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