Roots and Irrational Numbers Online Practice
add 2√8+√28+2√8
4√16+√28
4√8+√28
5√44
5√8
To simplify the expression 2√8 + √28 + 2√8, we can combine like terms.
First, we notice that 2√8 and 2√8 are like terms. We can add them together to get 4√8.
Now, let's look at the remaining term, √28. We can simplify this by factoring the number 28. The prime factorization of 28 is 2*2*7. Since 2 is a perfect square, we can take its square root, which is 2. Thus, √28 can be simplified to 2√7.
Now, let's put it all together: 4√8 + √28 + 2√8 simplifies to 6√8 + 2√7.