Question

Answers fast please with full explain​

Answer 1

Step-by-step explanation:

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Answer 2

ANSWER

1.√M^2-4

2.M√M^2-4

CONCEPT USED

(X-Y) ^2= X^2+Y^2-2XY

AND

(X+Y) ^2= X^2+Y^2+2XY

EXPLANATION

see attachment

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