1) (x-5)^2=3 2) x^2=(√6+2√5)^2-4√30

Question

Алгебра: 1) (x-5)^2=3 2) x^2=(√6+2√5)^2-4√30

misspotter · Answer

1) (x - 5)² = 3x - 5 = √3              x - 5 = - √3X₁ = 5 + √3            X₂ = 5 - √32) x² = (√6 + 2√5)² - 4√30x² = 6 + 4√30 + 20 - 4√30x² = 26X₁  = √26            X₂  = - √26...

1) (x-5)^2=3 2) x^2=(√6+2√5)^2-4√30

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