Factorise The Question 9x^2-6xy+y^2-z^2
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Answered by
2
Answer:
(3x + y)^2
Step-by-step explanation:
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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4.5
Answered by
7
Answer:
(3x-y-z)(3x-y+z)
Step-by-step explanation:
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jatinsaini1140:
1 we can get square of 9x =(3x) square ok split all
this is a identity of
2 is a square
ok
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