You may also want to do practice on this at :[url=https://www.geogebra.org/m/WujN6rV9][br]https://www.geogebra.org/m/WujN6rV9[/url]
[url=https://phet.colorado.edu/sims/html/area-model-algebra/latest/area-model-algebra_en.html]https://phet.colorado.edu/sims/html/area-model-algebra/latest/area-model-algebra_en.html[/url][br][img]https://phet.colorado.edu/sims/html/area-model-multiplication/latest/area-model-multiplication-420.png[/img]
[url=https://phet.colorado.edu/sims/html/area-model-algebra/latest/area-model-algebra_en.html]https://phet.colorado.edu/sims/html/area-model-algebra/latest/area-model-algebra_en.html[/url][br][img]https://phet.colorado.edu/sims/html/area-model-multiplication/latest/area-model-multiplication-420.png[/img]