Subtract 7√5−4√5
To subtract 7√5 - 4√5, we first simplify the expression by combining like terms.
7√5 - 4√5 can be rewritten as (7 - 4)√5.
Therefore, the simplified expression is 3√5.
7√5 - 4√5 can be rewritten as (7 - 4)√5.
Therefore, the simplified expression is 3√5.