aaronjin608 aaronjin608

28-05-2020
Mathematics

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If one factor of 21xy^3-15x^2y^2 is 3xy^2, what is the other factor

Respuesta :

temdan2001 temdan2001

29-05-2020

Answer: The other factor = 7y - 5x

Step-by-step explanation:

If one factor of 21xy^3-15x^2y^2 is 3xy^2, other factor will be achieved by dividing the expression by the known factor

21xy^3-15x^2y^2 ÷ 3xy^2

Factorise the numerator

3xy^2( 7y - 5x )/3xy^2

3xy^2 will cancel each other

The other factor = 7y - 5x

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