Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom
GeoGebra
  • Home
  • Resources
  • Profile
  • Classroom
  • App Downloads

Proof without word 4ab = (a+b)²-(a-b)²

Author:Daniel Mentrard
Topic:Algebra

New Resources

  • Proving Triangles Similar by Dilation
  • Proving Triangles Similar: Multistep Transformations
  • Position Vector and Derivative Vector
  • Untitled
  • Thales' Intercept Theorem

Discover Resources

  • Special Right Triangles
  • Step 1
  • Regular Polygon to Circle (area & perimeter)
  • Integral explorer
  • P1.2.2

Discover Topics

  • Calculus
  • Similar Triangles
  • Ratios
  • Difference and Slope
  • Real Numbers
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®