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-15)(x-20) = 150 . Question type: Equation Solution:Original question:
(
x
−
15
)
(
x
−
20
)
=
150
Remove the bracket on the left of the equation:
Left side of the equation =
x
(
x
−
20
)
−
15
(
x
−
20
)
=
x
x
−
x
×
20
−
15
(
x
−
20
)
=
x
x
−
20
x
−
15
x
+
15
×
20
=
x
x
−
20
x
−
15
x
+
300
=
x
x
−
35
x
+
300
The equation is transformed into :
x
x
−
35
x
+
300
=
150
After the equation is converted into a general formula, it is converted into: ( x - 5 )( x - 30 )=0 From x - 5 = 0 x - 30 = 0 it is concluded that:: x1=5 x2=30 There are 2 solution(s).