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 2x - 3 = 7, what is the value of x?

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A train 150 m long passes a pole in 15 seconds. What is its speed?

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If the sides of a triangle are 6 cm, 8 cm, and 10 cm, what is the area of the triangle?

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A cone has a base radius of 7 cm and height of 24 cm. What is its volume?

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If sin(θ) = 3/5 and θ is an acute angle, what is tan(θ)?

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If sin(A) = 1/2 and A is acute, what is the value of A?

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The perimeter of a rectangle is 50 cm, and its length is 15 cm. What is its width?

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A rectangle has an area of 48 cm² and a length of 8 cm. What is its width?

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What is the value of log₃(27)?

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What is the LCM of 15 and 20?

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