How do you simplify 2sqrt45-2sqrt5?

May 12, 2017

The simplified form of given expression is 4√5

Explanation:

2√45−2√5
=2√(9*5)−2√5
=2√9√5−2√5
=2(3)√5−2√5
=6√5−2√5

Taking √5 common from both terms
=√5(6−2)
=√5(4)
=4√5