Skip to content

Library Solve Practice

Search 7,000+ topics/

Color theme

Library Solve Practice

Search everything About Expii Contributors

Library
Math
Algebra 1
Radicals and Quadratics
Radical Expressions
Simplifying Radicals - Examples & Practice

Practice problem

Simplifying Radicals - Examples & Practice

By BBrandon Love

+1 contributors

Contributors

Brandon Love
Anusha Rahman

Simplify: $\sqrt{405}$

Choose one answer

Option A: A

$20$

Option B: B

$20\sqrt{5}$

Option C: C

$9\sqrt{5}$

Option D: D

$81\sqrt{5}$

Report a problem

What needs fixing?

Read explanations Rated practice

For a more Thought Full world.

Learn

Library
Search
Solve
Practice

Expii

About Expii
Contributors
Blog archive
Contact
Conduct

Family

LIVE
Po-Shen Loh

Free explanations from a community of curious people.© 2026 Expii, Inc.Terms Privacy

Find a topic

Type a concept, like “slope” or “photosynthesis”.

↑ ↓ to choose · Enter to openSearch explanations and problems