7x(3x- y) +7y (3x -y)
jharajkumar1979:
factorise
Answers
Answered by
1
Answer:
7x(3x- y) +7y (3x -y)
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Answered by
2
Answer:
21x²+14xy-7y²
Step-by-step explanation:
= 7x(3x- y) +7y (3x -y)
= [21x²-7xy] + [21xy-7y²]
= 21x²-7xy+21xy-7y²
= 21x²+14xy-7y²
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