Algebra Expression class-8 New learning Composite Mathematics || Self Practice-5A|| #skgupta

Algebraic expressions are an important topic in class 8 mathematics that involve the use of variables, coefficients, and constants to represent mathematical relationships and solve problems.

A variable is a letter or symbol used to represent an unknown value or quantity. For example, in the expression 2x + 3, x is a variable. A coefficient is a number that multiplies a variable in an expression. For example, in the expression 2x + 3, 2 is a coefficient. A constant is a number that does not change and is not multiplied by a variable. For example, in the expression 2x + 3, 3 is a constant.

In class 8 mathematics, students typically learn how to simplify algebraic expressions, solve linear equations, and use algebraic expressions to solve problems. They also learn about the laws of algebra, such as the distributive law, which states that a(b + c) = ab + ac, and the associative law, which states that (a + b) + c = a + (b + c).

Algebraic expressions are used in various fields, such as science, engineering, and economics, to represent and solve mathematical problems. For example, in physics, algebraic expressions are used to calculate the velocity and acceleration of objects, while in economics, they are used to model the behavior of markets and consumers.

Overall, algebraic expressions are an important and useful topic in class 8 mathematics that provide a foundation for more advanced algebraic concepts in higher grades.

[abhijeetmalviya]

Thanks sir ji for your teaching 🙏👍😊❤🙌
LOVE FROM BANGALORE

[ankurkumarankurkumar]

Thank you sir ji
You teaching good 👍👍

[kaifulwarakhatri]

Sir mein new student hoon mujey aap ki math bhut Achi lagti hai

[piyushkumarchaudhary]

I am very happy that i got a chance to study from a good teacher like Pawan sir

[Har_preet_]

Thank u so much sir😊.... we are very lucky that you are here to teach us😊

[Trxbunny_]

Thank-you very much sir 🙏 👏 🙌 👍 👌 ❤️ 🙏 👏 🙌 👍 👌 ❤️ 🙏 👏 🙌 👍

[Ronakjawriya]

Thank you Pawan sir 🎉🎉🎉🎉🎉🎉🎉😇😇😇😇😇😇🤠🤠😇😇😇😇😇😇

[Divyansh-YT]

Thanks sir to cleared my all doubts I requests to all my colony friends to subscribe your channel and learn maths by you ❤️🙏

[rajeshchaurasiya]

Sir please teach 9 class also I am a class 9 Student i am seeing your Video

[padhakukhan]

I am glad that i am learning maths by you

[SantoshKumar-vbon]

Sir aap last wala me negative sign ko positive kar diye hai

[ushasoni]

Sir please 6th class ki book karvao new composite mathematics book

[Gamingzone-zgey]

One question
In last question why are you change negative sign in positive sign.