Express in simplest radical form
7√5 - 9√5
To express 7√5 - 9√5 in simplest radical form, we can combine the two terms with the same radical:
7√5 - 9√5
= (7 - 9)√5
= -2√5
So, 7√5 - 9√5 in simplest radical form is -2√5.
To express 7√5 - 9√5 in simplest radical form, we can combine the terms with the same radicand (√5).
7√5 - 9√5 = (√5)(7 - 9) = (√5)(-2)
Therefore, 7√5 - 9√5 simplifies to -2√5.
To express the expression 7√5 - 9√5 in simplest radical form, we can combine the like terms.
Both terms have the same radical (√5), so we can combine them. Combining the coefficients (7 - 9), we obtain -2.
Therefore, the expression 7√5 - 9√5 simplifies to -2√5.