Answer:
[tex] b = {a}^{2} - 6[/tex]
Step-by-step explanation:
[tex]a = \sqrt{b + 6} \\ squaring \: both \: sides \\ {a}^{2} = {( \sqrt{b + 6)} }^{2} \\ {a}^{2} = b + 6 \\ {a}^{2} - 6 = b \\ \huge \purple { \boxed{ b = {a}^{2} - 6}}[/tex]
b= a^2-6
Check the attachment.
Hope it helps :)
