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Алгебра!!! Иррациональное уравнение...

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September 2021 1 20 Report

Алгебра!!!
Иррациональное уравнение

Answers & Comments

mikael2

Verified answer

√15-x+√3-x=6 15-x≥0 x≤15 3-x≥0 x≤3
15-x+3-x+2√(15-x)(3-x)=36
18+2x=-2√(15-x)(3-x)
324+72x+4x²=4(15-x)(3-x)
324+72x+4x²=4(45-3x-15x+x²)=180-12x-60x+4x²
324-180=-144x 144x=-144 x=-1

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