Відповідь:
(x-5)(x+5)+1 = x²-3x
x²-25+1 = x²-3x
x²-x²+3x = 24
3x = 24
x = 24/3
x = 8.
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Відповідь:
(x-5)(x+5)+1 = x²-3x
x²-25+1 = x²-3x
x²-x²+3x = 24
3x = 24
x = 24/3
x = 8.