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受欢迎的代数 >

solvefor x,x^2+y^2-z=9

解答

求解

x, x^{2} + y^{2} - z = 9

解答

x = 9 - y^{2} + z, x = - 9 - y^{2} + z

求解步骤

x^{2} + y^{2} - z = 9

将

y^{2}

到右边

x^{2} - z = 9 - y^{2}

将

z

到右边

x^{2} = 9 - y^{2} + z

对于

x^{2} = f (a)

解为

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

x = 9 - y^{2} + z, x = - 9 - y^{2} + z

作图

流行的例子

r^{2} + 8 r + 448 = 0

10 - x - 9 x^{2} = 0

solvefor x,x^2-6sqrt(3)xy-5y^2=8

so l v e f or x, x^{2} - 63 x y - 5 y^{2} = 8

x^{2} = 3 - 2 x

solvefor x,5x^2+7xy-y^2-x+3y+6=0

so l v e f or x, 5 x^{2} + 7 x y - y^{2} - x + 3 y + 6 = 0