Mathematics
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==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
Lenders ToolBox
==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
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On line Solution of Monovariate Equation
> The history of univariate equation calculation
2^x+7^x+x^2+x=125
2^x+7^x+x^2+x=-125
X^3-（245.34-2.1275×（5））X^2-2331.77×77.82^2 = 0
X^3-（245.34-2.1275×（10））X^2-2331.77×77.82^2 = 0
X^3-（245.34-2.1275×（-10））X^2-2331.77×78.56^2 = 0
X^3-（245.34-2.1275×（-15））X^2-2331.77×78.56^2 = 0
X^3-（245.34-2.1275×（-15））X^2-2331.77×77.82^2 = 0
2^x+7^x+x^2+x=-125
2^x+7^x+x^2+x=125
X^3-（275.65-2.1275×（-15））X^2-1927.083×77.82^2 = 0
X^3-（275.65-2.1275×（0））X^2-1927.083×114.95^2 = 0
X^3-（275.65-2.1275×（-15））X^2-1927.083×78.56^2 = 0
X^3-（275.65-2.1275×（-10））X^2-1927.083×78.56^2 = 0
X^3-（275.65-2.1275×（-10））X^2-1927.083×77.82^2 = 0
X^3-（275.65-2.1275×（10））X^2-1927.083×77.82^2 = 0
X^3-（275.65-2.1275×（5））X^2-1927.083×77.82^2 = 0
X^3-（275.65-2.1275×（-15））X^2-1927.083×77.82^2 = 0
X^3-（275.65-2.1275×（-15））X^2-173.4375×77.82^2 = 0
X^3-（303.08-2.1275×（-10））X^2-1560.9375×78.56^2 = 0
X^3-（303.08-2.1275×（10））X^2-1560.9375×77.82^2 = 0
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