Answer: 27x^{2} y^{12}
Step-by-step explanation:
RemoveRemoveRemove parentheses and brackets by multiplying factors. ...
Use the exponent rule to remove grouping if the terms contain exponents. ...
Combine like terms by adding or subtracting coefficients. ...Combine
Combine the constants.
Simplifying an expression is just another way to say solving a math problem. When you simplify an expression, you're basically trying to write it in the simplest way possible. At the end, there shouldn't be any more adding, subtracting, multiplying, or dividing left to do.