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 3x(x+2) = 9 . Question type: Equation Solution:Original question:
3
x
(
x
+
2
)
=
9
Remove the bracket on the left of the equation:
Left side of the equation =
3
x
x
+
3
x
×
2
=
3
x
x
+
6
x
The equation is transformed into :
3
x
x
+
6
x
=
9
After the equation is converted into a general formula, it is converted into: ( x + 3 )( x - 1 )=0 From x + 3 = 0 x - 1 = 0 it is concluded that:: x1=-3 x2=1 There are 2 solution(s).