(x+5)(x-5)=24 Решить уравнение

Question

(x+5)(x-5)=24 Решить уравнение

Comments

24-(5+5)

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24-10=14

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14:2

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14:2=7

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проверка:(7+5)(7-5)=24

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x +5 = 24 и x-5 = 24 x= 24-5 и x=24+5 x=19 и x=29

Answer 1

Х^2-25=24
x^2=49
x=+-корень из49
х1=7
х2=-7