Gimanaaa caranyaaaaa

Gimanaaa caranyaaaaa

Luas = 50
luas = panjang x lebar
luas = (x+5) x (x)
$50 = {x}^{2} + 5x$
${x}^{2} + 5x - 50 = 0$
(x + 10)(x – 5) = 0
x = -10 / x = 5
dikarenakan x harus positif maka x = 5
semoga membantu