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example of mathematical ecpression​

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An example of a mathematical expression with a variable is 2x + 3. All variables must have a coefficient, a number that is multiplied by the variable. In the expression 2x + 3, the coefficient of x is the number 2, and it means 2 times x plus 3.

EXOGAMERIN

Answer:

Example:

a.) 2p ( 3pq - 5qt )

b.) -⅖y ( 10y - 3 )

Step-by-step explanation:

Solution:

a.) 2p ( 3pq - 5qt )

= ( 2p x 3pq) + ( 2p (x) - 5qt)

Ans:

= 6p²q - 10pqt

b.) -⅖y ( 10y - 3 )

= { -⅖y x 10y } + { -⅖y (x) - 3}

Ans:

= 4y² + ⁶/5y

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