jeffandkirsty jeffandkirsty

12-03-2021
Mathematics

contestada

Factorise fully 21xcubed -49xsquared

Respuesta :

gilbertokorir56 gilbertokorir56

14-03-2021

Answer:

7x²(3x-7)

Step-by-step explanation:

21x³ - 49x²

7(3x³ - 7x²)

7x²(3x - 7)

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