Question

[v-u]x2 +[u-2v]x+v=0

Answer 1

Answer:

ans = -3

Step-by-step explanation:

ans

given

v-u×2+u-2vx+v=0

v=?

u=?

x+x= 2x

v+v =2v

u+u=2u

given

2v+2x+2u+2-2+0+v

v= 3

x=2

u=2

therefore

3+2-2+2-2+0

= 5-2-2+0

= -3 ( cause 0 is not added. -+-=+ and -++= - ok )

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