Question

Gente Me Ajudam Nessa Conta X2-7=42. X2=42+7 Ñ Consigo Montar A Contaa

Answer 1

x² - 7 = 42
x² = 42 +7
x = √49
x = +- 7

Answer 2

X2-7=42
 
X2=42+7

X2 = 49

X = +/-V49

X = +/- 7