Niamh2005
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#1
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#1
Make b the subject of the formula.

a=√b+6
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SAARH.A5
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#2
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Do square root(b) = a - 6, and then square both sides.
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davros
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#3
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(Original post by Niamh2005)
Make b the subject of the formula.

a=√b+6
(Original post by SAARH.A5)
Do square root(b) = a - 6, and then square both sides.
Assuming the square root is just over the b (and not over the b+6) then this is the correct starting point.
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Niamh2005
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(Original post by davros)
Assuming the square root is just over the b (and not over the b+6) then this is the correct starting point.
It’s over b and 6
Sorry if I didn’t make it clear
Couldn’t find a longer square root 😂
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Idg a damn
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a^2-6=b
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Idg a damn
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#6
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(Original post by Niamh2005)
It’s over b and 6
Sorry if I didn’t make it clear
Couldn’t find a longer square root 😂
use parentheses
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SAARH.A5
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(Original post by Niamh2005)
It’s over b and 6
Sorry if I didn’t make it clear
Couldn’t find a longer square root 😂
Square both sides first.
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davros
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(Original post by Niamh2005)
It’s over b and 6
Sorry if I didn’t make it clear
Couldn’t find a longer square root 😂
So it's a = \sqrt{b + 6} ?

If you don't know Latex formatting, use brackets as suggested above

Have you solved it now?
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