Question

If√2x+9-√x-4=3,then the values of 'x' are

a)20,8
B)22,8
c)22,9
d)20,9​

Answer 1

Answer:

Given equation is:

2x+9

2

+160−28x=0

⟹x

2

−20x−8x+160=0

⟹(x−20)(x−8)=0

∴x=20 or x=8

But x=20 does not satisfy (i)

∴x=8 is the solution of (i)

Answer 2

Answer:

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