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\left(x+1\right)\left(x-2\right)=0

Solve the equation (x+1)(x-2)=0

Answer

$x_1=-1$,\:$x_2=2$

Step-by-step explanation

Problem

$\left(x+1\right)\left(x-2\right)=0$
1

Break the equation in factors, to obtain

\begin{matrix}(1)\:\:\:$1+x=0$,\\(2)\:\:\:$x-2=0$\end{matrix}

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Answer

$x_1=-1$,\:$x_2=2$