Respuesta :
Answer:
x=8
Step-by-step explanation:
55+9
64=x^2
Square root of 64 is 8
X=8
Answer:+8 or -8
Step-by-step explanation:
[tex]x^{2} -9=55\\x^{2} =55+9\\x^{2} =64\\\sqrt{x^2} =\sqrt{64} \\x=8 \\or \\x=-8[/tex]
Answer:
x=8
Step-by-step explanation:
55+9
64=x^2
Square root of 64 is 8
X=8
Answer:+8 or -8
Step-by-step explanation:
[tex]x^{2} -9=55\\x^{2} =55+9\\x^{2} =64\\\sqrt{x^2} =\sqrt{64} \\x=8 \\or \\x=-8[/tex]
