Question

(x-10) (1200/X+2)=1260​

Answer 1

answer is -60/ 9480

                         

       

Answer 2

$<b><i>HEYA !!!$

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$(x - 10)( \frac{1200}{x} + 2) = 1260 \\ \\ = > (x - 10)2( \frac{600}{x} + 1) = 1260 \\ \\ = > (x - 10)( \frac{600}{x} + 1) = 630 \\ \\ = > ( x - 10) \frac{600 + x}{x} = 630 \\ \\ = > 600x - 6000 + {x}^{2} - 10x = 630 \\ \\ = > {x}^{2} - 40x - 6000 = 0 \\ \\ = > {x}^{2} - 100x + 60x - 6000 = 0 \\ \\ = > x(x - 100) + 60(x - 100) = 0 \\ \\ = > (x + 60)(x - 100)$

So ,

x = 100 & -60 ✔

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