On line Solution of Monovariate Equation:
Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
It supports equations that contain mathematical functions.
Overview: 1 questions will be solved this time.Among them ☆1 equations
[ 1/1 Equation] Work: Find the solution of equation x^3-12*x^2+21x+54 = 0 . Question type: Equation Solution: After the equation is converted into a general formula, there is a common factor: ( x - 9 ) From x - 9 = 0 it is concluded that::
x1=9
Solutions that cannot be obtained by factorization: x2≈-1.372281 , keep 6 decimal places x3≈4.372281 , keep 6 decimal places There are 3 solution(s).