Factorise 9x^2+6xy+y^2
Answers
Answered by
13
Answer:
9x^2 + 6xy + y^2
= (3x)^2 + 2×3x×y + (y)^2
= (a)^2 +2×a×b + (b)^2 = (a+b)^2
= (3x + y)^2
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Answered by
6
Answer:
(3x+y) ^2
Step-by-step explanation:
9x^2+3xy+3xy+y^2
3x(3x+y) +y(3x+y)
(3x+y) (3x+y)
(3x+y) ^2.
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