Question
Solve the equation(The real numbers system)
Solve for x in the real numbers system
x≈2.747617
Evaluate
7x−2x3=x−25
Move the expression to the left side
7x−2x3−(x−25)=0
Subtract the terms
More Steps
Evaluate
7x−2x3−(x−25)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
7x−2x3−x+25
Subtract the terms
More Steps
Evaluate
7x−x
Collect like terms by calculating the sum or difference of their coefficients
(7−1)x
Subtract the numbers
6x
6x−2x3+25
6x−2x3+25=0
Solution
x≈2.747617
Show Solution
Solve the equation(The complex numbers system)
Solve for x in the complex numbers system
x1≈−1.373808−1.631578i,x2≈−1.373808+1.631578i,x3≈2.747617
Evaluate
7x−2x3=x−25
Move the expression to the left side
7x−2x3−(x−25)=0
Subtract the terms
More Steps
Evaluate
7x−2x3−(x−25)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
7x−2x3−x+25
Subtract the terms
More Steps
Evaluate
7x−x
Collect like terms by calculating the sum or difference of their coefficients
(7−1)x
Subtract the numbers
6x
6x−2x3+25
6x−2x3+25=0
Calculate
x≈2.747617x≈−1.373808+1.631578ix≈−1.373808−1.631578i
Solution
x1≈−1.373808−1.631578i,x2≈−1.373808+1.631578i,x3≈2.747617
Show Solution