Math, asked by Sakidamu, 10 months ago

Solve for x√2x+9+x=13
.......

Answers

Answered by rudraaggarwal239982
11

Answer:

here is your answer mate...

Step-by-step explanation:

√2x+9  +  x             =              13

 √2x+9                     =              13-x  

squaring both sides  

2x + 9                        =              (13-x)²

2x+9                          =              169 - 26x + x²

2x +26x +9 - 169       =              x²

28x-160                     =               x²  

by using factorization method

x²-28x+160                =                0

x² - 20x - 8x +160      =                0

x(x-20) -8(x-20)          =                0

(x-20)(x-8)                   =                0

x = 20 and x= 8

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Sakidamu: Thank you dear friend for ur kind hlp
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