Question

(11-x-2)^2+16 = (17)^2​

Answer 1

Hey mate here we go

$( {11 - x - 2)}^{2} + 16 = {17}^{2} \\ ( {9 - x)}^{2} + 16 = 289 \\ {(9 - x)}^{2} = 289 - 16 = 273 \\ ( {9 - x)}^{2} = 273 \\ {9}^{2} + {x}^{2} - 2 (9 \times x) = 273 \\ 81 + {x}^{2} - 18x = 273 \\ {x}^{2} - 18x + 81 - 273 = 0\\ = {x}^{2} - 18x - 192$

I hope this will helps you

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