1549.73^2+((1549.73*16+x^2)/(-16+x^2))^2+1549.73*+((1549.73*16+x^2)/(-16+x^2))^2=2500^2
factorize x^{ 2 } +8x-9
factorize x^{ 2 } 8x-9
From 925 students French is studied by 343 students, Russian - 459, Polish - 579.
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1464+28
1549.73^2+(1549.73*((16+x^2)/(-16+x^2)))^2+1549.73*(1549.73*((16+x^2)/(-16+x^2))=2500^2
factorize x^{ 2 } - x-42
