Question

(x+5)²=25(x-1)² como faz isso??

Answer 1

$\sqrt{(x+5)^2} = \sqrt{5^2.(x-1)^2} \\ \\ x+5=5(x-1) \\ \\ x+5=5x-5 \\ \\ 10=4x--\ \textgreater \ x= \frac{10}{4} == \frac{5}{2}$