Maths Algebraic Expressions part 14 (Questions 2 : Multiplication) CBSE Class 8 Mathematics VIII | Summary and Q&A

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February 7, 2017
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Maths Algebraic Expressions part 14 (Questions 2 : Multiplication) CBSE Class 8 Mathematics VIII

TL;DR

In this video, the process of simplifying algebraic expressions and performing subtraction is explained with step-by-step examples.

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Key Insights

  • 😑 The video demonstrates the importance of using the distributive law in simplifying algebraic expressions.
  • 😑 It provides clear examples to help understand the process of finding the value of an expression for specific variables.
  • 😑 The video also highlights the steps involved in subtracting one algebraic expression from another and shows the importance of changing the signs.

Transcript

I'll open this video on algebraic expressions fast 14 is brought to you by example comm know about your thumb again question number five simplify L into a square plus a plus one plus five and find its value for a is equal to zero is but one and a is equal to minus one legged first simplify this part so now a multiplied to each of these can be writt... Read More

Questions & Answers

Q: How do you simplify algebraic expressions using the distributive law?

To simplify algebraic expressions using the distributive law, you multiply the variable outside the parentheses with each term inside the parentheses, and then combine like terms.

Q: How do you find the value of an algebraic expression for a specific variable?

To find the value of an algebraic expression for a specific variable, substitute the value of the variable into the expression and simplify.

Q: Can you explain the process of subtracting one algebraic expression from another?

To subtract one algebraic expression from another, you first simplify both expressions and then change the signs of the terms in the expression that is being subtracted. Finally, add or subtract like terms.

Q: What is the purpose of the distributive property in simplifying algebraic expressions?

The distributive property allows you to distribute or multiply a value to each term inside parentheses, simplifying the expression by combining like terms.

Summary & Key Takeaways

  • The video explains how to simplify algebraic expressions and find their values for different variables.

  • It demonstrates the simplification process using distributive law and provides examples for specific values of variables.

  • Additionally, the video explains the process of subtracting one algebraic expression from another and demonstrates it with an example.

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