Question

(a/a-5 - a/a+5 - a+25/25-a^2) * a-5/a+10a+25

Answer 1

(

25−a

2

3

+

a

2

−10a+25

1

)∗

a

(5−a)

2

+

a+5

3a

=(

(5−a)

2

∗(a+5)

3∗(5−a)

+

(5−a)

2

∗(a+5)

1∗(a+5)

)∗

a

(5−a)

2

+

a+5

3a

=(

(5−a)

2

∗(a+5)

15−3a+a+5)

)∗

a

(5−a)

2

+

a+5

3a

=(

(5−a)

2

∗(a+5)

20−2a

)∗

a

(5−a)

2

+

a+5

3a

=(

(a+5)a

20−2a

)+

a+5

3a

=(

(a+5)a

20−2a+3a

2

)