factorize : x^2+2xy+y^2 - 9z^2
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Answer:
(X+y+3z) (X+y-3z)
Step-by-step explanation:
Your question:
factorize : x^2+2xy+y^2 - 9z^2
Solution:
x^2+2xy+y^2 - 9z^2
=(X+y)² -9z²
=(X+y+3z) (X+y-3z)
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