1. (X+3)-5 =, 2. (4/5 Kj-6)\Xb2 =, 3. (2/2e-6)\Xb2 =

1. (x+3)-5 =
2. (4/5 kj-6)² =
3. (2/2e-6)² =

 

Answer and Step-by-step explanation:

1. (x+3)-5 =

=x+3+−5

=(x)+(3−5)

=x−2

2. (4/5 kj-6)² =

(( 4 /5 k)(j)−6)(( 4 /5 k)(j)+−6)

=(( 4 /5 k)(j))(( 4 /5 k)(j))+(( 4 /5 k)(j))(−6)+(−6)(( 4 /5 k)(j))+(−6)(−6)

= 16 /25 j²k² −24 /5 jk−24 /5 jk+36

= 16 /25 j²k² −48 /5 jk+36

3. (2/2e-6)² =

( 2 /2 e−6)²

=( 2 /2 e−6)( 2 /2 e−6)

=( 2 /2 e)( 2 /2 e)+( 2 /2 e)(−6)+(−6)( 2 /2 e)+(−6)(−6)

=e²−6e−6e+36

=e²−12e+36


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