Topic Details (Notes format)

How to Factor Algebraic Expressions (Common Factor)

Subject: Mathematics

Book: Maths Mastery

Factoring out the greatest common factor (GCF) is a fundamental technique to simplify expressions and solve equations. Suppose you have 6x² + 9x; the GCF is 3x. Factoring yields 3x(2x + 3). This step often precedes more complex factoring methods like grouping or the difference of squares. By extracting the GCF, you reduce expressions to simpler forms, streamline solutions, and clarify how individual terms relate. This skill is vital in advanced algebra, polynomial arithmetic, and a variety of real-life applications that demand systematic problem decomposition.

Practice Questions

If a + b = 10 and ab = 21, what is the value of a^2 + b^2?

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What is the LCM of 15 and 20?

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What is the sum of the first 50 positive integers?

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What is the 7th term of the arithmetic progression 3, 6, 9, 12,...?

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What is the sum of all odd numbers from 1 to 99?

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What is the sum of all even numbers between 1 and 50?

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A train 120 meters long is moving at a speed of 54 km/h. How long will it take to pass a pole?

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What is the area of a circle with a diameter of 14 cm?

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If a = 4 and b = 5, what is the value of (a+b)^2?

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What is the area of an equilateral triangle with side length 10 cm?

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