Subtract. Write your answer in simplest form. 9sqrt 7 - 7sqrt 7 ______

Identify like terms: Identify like terms We are given the expression 9sqrt(7) - 7sqrt(7). Both terms contain the radical sqrt(7), which means they are like terms and can be combined.Subtract coefficients: Subtract the coefficients Subtract the coefficients of the like terms while keeping the radical part the same. 9sqrt(7) - 7sqrt(7) = (9 - 7)sqrt(7)Perform subtraction: Perform the subtraction Calculate the difference of the coefficients. (9 - 7)sqrt(7) = 2sqrt(7)Write simplest form: Write the answer in simplest form The expression 2sqrt(7) is already in its simplest form, as 7 is a prime number and cannot be simplified further.

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Subtract. Write your answer in simplest form. $\newline$ $9\sqrt{7} - 7\sqrt{7}$

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Algebra 1

Simplify radical expressions: mixed review

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Q. Subtract. Write your answer in simplest form.

\newline

9\sqrt{7} - 7\sqrt{7}

Identify like terms: Identify like terms $\newline$ We are given the expression $9\sqrt{7} - 7\sqrt{7}$ . Both terms contain the radical $\sqrt{7}$ , which means they are like terms and can be combined.
Subtract coefficients: Subtract the coefficients $\newline$ Subtract the coefficients of the like terms while keeping the radical part the same. $\newline$ $9\sqrt{7} - 7\sqrt{7} = (9 - 7)\sqrt{7}$
Perform subtraction: Perform the subtraction $\newline$ Calculate the difference of the coefficients. $\newline$ $(9 - 7)\sqrt{7} = 2\sqrt{7}$
Write simplest form: Write the answer in simplest form $\newline$ The expression $2\sqrt{7}$ is already in its simplest form, as $7$ is a prime number and cannot be simplified further.