Respuesta :

Answer:

± 7

Step-by-step explanation:

Given

[tex]\sqrt{56-7}[/tex]

= [tex]\sqrt{49}[/tex]

= + 7 or - 7 , that is ± 7

Answer:

±7

Step-by-step explanation:

56 - 57

______

gives you 49

which then turns into ±7

⇒⇒⇒Hope this helps!

RELAXING NOICE
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