X^2 = 25

Question
Answer:
${x}^{2}-25=0$
$\left( x-5 \right) \times \left( x+5 \right)=0$
$\begin{array} { l }x-5=0,\\x+5=0\end{array}$
$\begin{array} { l }x=5,\\x+5=0\end{array}$
$\begin{array} { l }x=5,\\x=-5\end{array}$
$\begin{array} { l }x_1=-5,& x_2=5\end{array}$
solved
general 11 months ago 1117