Question

19. x2 - m2 + 6mn - 9n2 factorize
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Answer 1

Answer:

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Step-by-step explanation:

x2 - m2 + 6mn - 9n2

x2 - (m2-6mn+9n2)

x2-[(m)2-2 X m X 3n + (3n)2]

x2 - (m-3n)2

(x+m-3n)(x-(m-3n))

(x+m-3n)(x-m+3n)