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受欢迎的代数 >

37^2=x^2+12^2

解答

3 7^{2} = x^{2} + 1 2^{2}

解答

x = 35, x = - 35

求解步骤

3 7^{2} = x^{2} + 1 2^{2}

交换两边

x^{2} + 1 2^{2} = 3 7^{2}

将

1 2^{2}

到右边

x^{2} = 1225

对于

x^{2} = f (a)

解为

x = f (a), - f (a)

x = 1225, x = - 1225

1225 = 35

- 1225 = - 35

x = 35, x = - 35

作图

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