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

What is the HCF of 48 and 180?

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If sin(x) = 3/5 and x is in the first quadrant, what is cos(x)?

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A man spends 75% of his income and saves Rs. 600. What is his total income?

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A square is inscribed in a circle with a radius of 5 cm. What is the area of the square?

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A sum of money triples itself in 12 years at simple interest. What is the rate of interest per annum?

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A sphere has a radius of 7 cm. What is its volume?

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What is the slope of a line passing through the points (2, 3) and (4, 7)?

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A triangle has angles 60°, 60°, and 60°. What type of triangle is it?

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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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A sum of money doubles itself in 5 years at simple interest. What is the rate of interest?

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