Simplify the expression 7√7 - 2√28

asked Apr 20, 2018 51.7k views

5 votes

Simplify the expression

7√7 - 2√28

by SMka

5.7k points

Please log in or register to add a comment.

2 votes

7squareroot7-2squareroot28
=7squareroot7-2×2squareroot7
=7squareroot7-4squareroot7
=3squareroot7
=3×2.64
=7.92

Jimmy Lu answered Apr 22, 2018

5.6k points

3 votes

7√7 - 2√28

2 sqrt(28) = 4 * sqrt(7)

7*sqrt(7) - 4*sqrt(7) =

3 * sqrt(7)

Gzorg answered Apr 26, 2018

by Gzorg

6.3k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.5m questions

8.6m answers