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Factorise: 4a² + b² +25c² +4ab-10bc-20ca​

Factorise: 4a² + b² +25c² +4ab-10bc-20ca​
asked 125k views
4 votes
Factorise: 4a² + b² +25c² +4ab-10bc-20ca​

asked
User Shaddae
by
8.9k points

1 Answer

4 votes

Answer:

2a-b+5c)(2a-b+5c)

Explanation:

4a²+b²+25c²-4ab-10bc+20ca

(2a)²+(-b)²+(5c²)+2*2a*(-b)+2*(-b)*5c+2*5c*2a

(2a-b+5c)²

(2a-b+5c)(2a-b+5c)

answered
User Deset
by
8.1k points
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