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Expand (x + 3)(x + 2)

by Dr. Osama M. Khaled — published Nov 20, 2020 — last modified May 30, 2025 09:56 PM Located in Mathematics / Algebra / Quadratic Expressions - Expanding

Expand (x - 7) (6-x)

by Dr. Osama M. Khaled — published Nov 21, 2020 — last modified May 30, 2025 10:02 PM Located in Mathematics / Algebra / Quadratic Expressions - Expanding

Expand 3(x + 8) (x + 2)

by Dr. Osama M. Khaled — published Nov 25, 2020 — last modified May 30, 2025 10:04 PM Located in Mathematics / Algebra / Quadratic Expressions - Expanding

Expand and simplify

by Dr. Osama M. Khaled — published Nov 25, 2020 — last modified May 30, 2025 09:36 PM Located in Mathematics / Algebra / Quadratic Expressions - Expanding

Geometry

by Dr. Osama M. Khaled — published Oct 18, 2020 — last modified May 18, 2026 11:50 AM

Some stimulating and challenging questions in geometry reminding you with the rules. Do not miss them

Located in Mathematics

Fundamentals

by Dr. Osama M. Khaled — published Jun 07, 2022 — last modified Oct 31, 2023 09:30 PM

Essential history, definitions, and fundamental knowledge in geometry

Located in Mathematics / Geometry

Geometry Basics

by Dr. Osama M. Khaled — published Oct 18, 2020 — last modified Jul 13, 2024 10:52 PM — filed under: Year 9

Test your basic knowledge about geometry. We all need some refreshment every now and then. You think you remember everything about geometry. You may be ...

Located in Mathematics / Geometry / Fundamentals

Each of the following figures has exactly two pairs of parallel sides EXCEPT a

by Dr. Osama M. Khaled — published Oct 18, 2020 — last modified May 30, 2025 09:04 PM Located in Mathematics / … / Fundamentals / Geometry Basics

How many faces does a cube have?

by Dr. Osama M. Khaled — published Oct 22, 2020 — last modified May 30, 2025 09:04 PM Located in Mathematics / … / Fundamentals / Geometry Basics

How many connected lines must there be to make a polygon?

by Dr. Osama M. Khaled — published Oct 22, 2020 — last modified May 30, 2025 09:04 PM

A polygon is a plane figure composed of connected lines.

Located in Mathematics / … / Fundamentals / Geometry Basics

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