Question

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Answer 1

Step-by-step explanation:

1)In mathematics, an algebraic expression is an expression built up from integer constants, variables, and the algebraic operations (addition, subtraction, multiplication, division and exponentiation by an exponent that is a rational number). For example, 3x2 − 2xy + c is an algebraic expression.

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Answer 2

questions no. 1

An expression which is made up of variable and constant along with algebraic operations like addition , subtraction , multiplication etc.

Questions no. 2

Variable- Symbol for unknown numerical value in equation which can change.

Eg :- X , Y etc.

Constant- A constant is a number on its own which can never change its value.

Eg :- X - 4 = 3 in this equation 4 and 3 are constant.

Questions no.3

Polynomial - An expression of more than two algebraic terms.

Question no. 4

(a+b)^2 = a^2 + 2ab + b^2

(a-b)^2 = a^2 - 2ab + b^2

(a+b) (a-b) = a^2 - b^2

(X+a) (X+b) = X^2 + (a+b) X + ab .

Note :- ^2 = square

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