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Factorise fully 21xcubed -49xsquared

Factorise fully 21xcubed -49xsquared
70.9k views
7 votes
Factorise fully 21xcubed -49xsquared

User Klenium
by
8.3k points

1 Answer

3 votes

Answer:

7x²(3x-7)

Explanation:

21x³ - 49x²

7(3x³ - 7x²)

7x²(3x - 7)

User David Khourshid
by
8.0k points
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