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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