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I can't understand "Algebraic expression" Lesson. …

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I can't understand "Algebraic expression" Lesson. Please help me to understand that.

Posted by Jayajeet Manoj 7 years, 4 months ago

CBSE > Class 08 > Mathematics

1 answers

Anushka Singh 7 years, 4 months ago

Algebraic expression is totally based on using variables and constants. First thing to get well known with is like terms. For e.g. 3xz and 4xz are like term. Means they are hving same variables in end. The order of the variable may change but they will be considered as like term. Means xz and zx are similar. Next u need to learn identities which are 1.(a+b) whole sq. =a sq.+b sq.+2*a*b 2.(a-b)whole sq. =a sq. +b sq. +2*a*b 3.a sq.-b sq. =(a+b)*(a-b) 4.x+a*x+b =x sq.+a+b*x +a*b

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CBSE > Class 08 > Mathematics