Question

Find the square root of a2(square)-2a-1
plz reply fast​

Answer 1

4=26+-342345678901234567890

Answer 2

Answer:

$a^2$ - 2a + 1

$a^2$ - a - a + 1

a ( a - 1 ) - 1 ( a - 1 )

$($ a - 1 $)^2$

Square root of $( a - 1 )^2$

√ ( a - 1 )² = ( a - 1 )

Step-by-step explanation:

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