# One-variable linear equations Calculator

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### Difficult Problems

1

Example

$x²+3x+12=0$
2

Moving the term $x²$ to the other side of the equation with opposite sign

$12+3x=x²\left(-1\right)$
3

Subtract $12$ from both sides of the equation

$3x=x²\left(-1\right)-12$
4

Multiply both sides of the equation by 

$x=\left(x²\left(-1\right)-12\right)\cdot \frac{1}{3}$
5

Multiply $\left(x²\left(-1\right)+-12\right)$ by $\frac{1}{3}$

$x=x²\left(-\frac{1}{3}\right)-4$

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