Question

x×x=56
x+x=28
factorizacion

Answer 1

$x\times x=56 \\ x^2=56 \\ x= \sqrt{56} \\ x= \sqrt{14\times4} \\ x= \sqrt{14} \times \sqrt{4} \\ x=\sqrt{14} \times2 \\ \boxed{ x=2 \sqrt{14}}$

$x+x=28 \\ 2x=28 \\ x= \frac{28}{2} \\ \boxed{x=14}$