Question

- 121 + x elevado a 2 = 0

Ajudemm porfavor

Answer 1

- 121 + x² = 0 
x² = 121
x = √121
x = +/- 11

R.: x = 11 e x = - 11

Answer 2

- 121 + x² =0
+121 -121 +x² = 0 +121
0 + x² = +121


x² =+121