An equation is that which relates to two expressions by an equality sign (=) indicating the two expressions are equal to each other.

eg : 4x2 + 5x + 6 = 0, 3x + 6 = 0, sin x + cos x = 0 etc.
Equation solver is a online tool that solves the equation you enter for a given variable. Using this tool we can even find the solutions for equations having exponents, logarithms and trigonometric functions.

The special feature of this calculator is that it can compute any of these type of equation namely
•     Linear equation
•     Exponential equations
•     Rational equations etc

You can even get the graphical representation out of it. Try out with this and get your answers solved instantly.

## How to Solve Equations

Here is given a way to solve the quadratic equation:
Step 1 : Read the given equation and observe whether it is of the form ax2 + bx + c = 0 where a, b, c are constants and a $\neq$ 0.

Step 2 : Calculate the discriminant. The discriminant is given by D = b2 - 4ac
If D > 0 there are 2 imaginary solutions
If D = 0 there is a real solution
If D < 0 there are 2 conjugate solutions.

Step 3 : The quadratic equation formula is given by
To find the solutions of the quadratic equations use formula

x1 = $\frac{-b\ +\ \sqrt{D}}{2a}$ and

x2 = $\frac{-b\ -\ \sqrt{D}}{2a}$

### Inequalities Calculator

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