How do you solve this? 3√2(b√2+5)-2b+√18=0

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You should keep the term `3sqrt(2(bsqrt2 + 5)) `  to the left side and you need to move the terms -2b and `sqrt18`  to the right side, such that:

`3sqrt(2(bsqrt2 + 5)) = 2b - sqrt18`

You should raise to square both sides, such that:

`9(2(bsqrt2 + 5)) = (2b -...

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