Subtract 7√5-4√5.
To subtract 7√5 - 4√5, you can combine the like terms. Since both terms have a square root of 5, you can subtract the coefficients:
7√5 - 4√5 = (7 - 4)√5 = 3√5.
Therefore, 7√5 - 4√5 simplifies to 3√5.
To subtract 7√5 and 4√5, we can combine the terms that have the same square root.
7√5 - 4√5 = (7 - 4)√5
= 3√5
So, the difference between 7√5 and 4√5 is 3√5.
To subtract 7√5 - 4√5, you need to simplify the expression by combining like terms.
Step 1: First, identify the like terms, which in this case are the terms with the same radical (√5).
Step 2: Next, subtract the coefficients of the like terms. The coefficient of 7√5 is 7, and the coefficient of 4√5 is 4.
Step 3: Subtracting 4√5 from 7√5 gives us 3√5.
Therefore, 7√5 - 4√5 simplifies to 3√5.