解方程17^2-x^2=15^2 (2x-1)^2=441

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解方程17^2-x^2=15^2 (2x-1)^2=441
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解方程17^2-x^2=15^2 (2x-1)^2=441
解方程17^2-x^2=15^2 (2x-1)^2=441

解方程17^2-x^2=15^2 (2x-1)^2=441
此方程无解

17^2-x^2=15^2
x²=289-225
x²=64
x=8或x=-8
(2x-1)^2=441
2x-1=±21
即:2x-1=21或2x-1=-21
x=11或x=-10