Mister Exam
Other calculators
-
How to use it?
- Equation:
-
Equation x^3+9*x^2+27*x+27=0
-
Equation -(-x)=-2,4
-
Equation 13/(x+6)=2
-
Equation 9x-4x+39=94
- Express {x} in terms of y where:
- 14*x+5*y=11
- -11*x-8*y=-14
- 12*x-2*y=-18
- -8*x-3*y=0
- Canonical form:
- -(-x)
-
Identical expressions
- -(-x)=- two , four
- minus ( minus x) equally minus 2,4
- minus ( minus x) equally minus two , four
- --x=-2,4
-
Similar expressions
- 4,8-(2,4-5b)=b-8,4
- --x^4+9*x^2+20=0
- -(-x+3)∙2=-4,5+(2x+2,5)
- (-x)=-2,4
- -(-x)=+2,4
- -((x^3)+5*x+9)/-(-x^2-x+2)=15
- -(x)=-2,4
-(-x)=-2,4 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the linear equation:
Expand brackets in the left part
Expand brackets in the right part
We get the answer: x = -12/5
-(-x) = -(12/5)
Expand brackets in the left part
x = -(12/5)
Expand brackets in the right part
x = -12/5
We get the answer: x = -12/5
Sum and product of roots
[src]
sum
-12/5
$$- \frac{12}{5}$$
=
-12/5
$$- \frac{12}{5}$$
product
-12/5
$$- \frac{12}{5}$$
=
-12/5
$$- \frac{12}{5}$$
-12/5
The graph