Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation x/4+x=4
-
Equation x^2+11=0
- Equation x+y=5
-
Equation 1*(x-1)*(x-3)=0
- Express {x} in terms of y where:
- -11*x-3*y=14
- -1*x-17*y=-12
- 20*x+18*y=-9
- -2*x+20*y=-2
-
Identical expressions
- ((x+ two)^ two + two):((x^ two)- one +((25x+ six):x^ four))= zero
- ((x plus 2) squared plus 2):((x squared ) minus 1 plus ((25x plus 6):x to the power of 4)) equally 0
- ((x plus two) to the power of two plus two):((x to the power of two) minus one plus ((25x plus six):x to the power of four)) equally zero
- ((x+2)2+2):((x2)-1+((25x+6):x4))=0
- x+22+2:x2-1+25x+6:x4=0
- ((x+2)²+2):((x²)-1+((25x+6):x⁴))=0
- ((x+2) to the power of 2+2):((x to the power of 2)-1+((25x+6):x to the power of 4))=0
- x+2^2+2:x^2-1+25x+6:x^4=0
- ((x+2)^2+2):((x^2)-1+((25x+6):x^4))=O
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Similar expressions
- ((x+2)^2+2):((x^2)-1-((25x+6):x^4))=0
- ((x+2)^2+2):((x^2)+1+((25x+6):x^4))=0
- ((x-2)^2+2):((x^2)-1+((25x+6):x^4))=0
- ((x+2)^2-2):((x^2)-1+((25x+6):x^4))=0
- ((x+2)^2+2):((x^2)-1+((25x-6):x^4))=0
((x+2)^2+2):((x^2)-1+((25x+6):x^4))=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
2
(x + 2) + 2
----------------- = 0
2 25*x + 6
x - 1 + --------
4
x
$$\frac{\left(x + 2\right)^{2} + 2}{\left(x^{2} - 1\right) + \frac{25 x + 6}{x^{4}}} = 0$$
Rapid solution
[src]
___ x1 = -2 - I*\/ 2
$$x_{1} = -2 - \sqrt{2} i$$
___ x2 = -2 + I*\/ 2
$$x_{2} = -2 + \sqrt{2} i$$
x2 = -2 + sqrt(2)*i
Sum and product of roots
[src]
sum
___ ___ -2 - I*\/ 2 + -2 + I*\/ 2
$$\left(-2 - \sqrt{2} i\right) + \left(-2 + \sqrt{2} i\right)$$
=
-4
$$-4$$
product
/ ___\ / ___\ \-2 - I*\/ 2 /*\-2 + I*\/ 2 /
$$\left(-2 - \sqrt{2} i\right) \left(-2 + \sqrt{2} i\right)$$
=
6
$$6$$
6
Numerical answer
[src]
x1 = -2.0 - 1.4142135623731*i
x2 = -2.0 + 1.4142135623731*i
x2 = -2.0 + 1.4142135623731*i