solve for x; √2x+√9+x=13
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Answered by
1
Answer
8
Explaination:-
Given equ@tion is:
2x+9
+x=13 ... (i)
2x+9
=13−x
On squaring, we get
2x+9=x
2
+169−26x
⟹x
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)
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