You can put this solution on YOUR website! Please repost this question making it clear what the problem is. What you posted is too ambiguous to even guess what it means.
Use parentheses
around numerators of fractions
around denominators of fractions
around expressions within square roots
around any expression which should be considered as a unit.
Use "x" only as a variable. For multiplication use "*".
Use "^" to indicate exponents. For example: 2^(5x + 3) means
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