Question

128=40 n^2-40n find n​

Answer 1

Step-by-step explanation:

u

uu

i

I

u

x

d

I

I

y

u

u

u

u

u

u

u

u

uu

u

p

p

u

p

y

I

y

e

.u

u

u

I

ibid

I

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u

ii

ii

iii

I

I

I

d

d

I

d

d

d

hii

u

p

u

e

e

.

u

I

bb

dd

d

b

I

I

I

I

I

I

I

I

I

u

y

b

I

b

b

b

bb

b

bb

b

i