Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation -7x=13-2(8x-7)
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Equation (5x-8)(4x-3)=0
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Equation sqrt(x+2*sqrt(x-1))+sqrt(x-2*sqrt(x-1))=2
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Equation tg^2(x)+ctg^2(x)+3*(tg(x)+ctg(x))+4=0
- Express {x} in terms of y where:
- 9*x-8*y=6
- 15*x+15*y=16
- 8*x+7*y=-13
- -4*x+18*y=-14
- Canonical form:
- x+y
- Limit of the function:
- x+y
- x+y
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Identical expressions
- x+y
- x plus y
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Similar expressions
- x.diff(x)+y=0
- (x^3*(y-z)-y^3*(z-x)-z^3*(x-y))/(y*z*(y-z)+z*x*(z-x)+y*x*(y-x))=0
- x-y
x+y equation
The teacher will be very surprised to see your correct solution 😉
The solution
The graph
Rapid solution
[src]
y1 = -re(x) - I*im(x)
$$y_{1} = - \operatorname{re}{\left(x\right)} - i \operatorname{im}{\left(x\right)}$$
y1 = -re(x) - i*im(x)
Sum and product of roots
[src]
sum
-re(x) - I*im(x)
$$- \operatorname{re}{\left(x\right)} - i \operatorname{im}{\left(x\right)}$$
=
-re(x) - I*im(x)
$$- \operatorname{re}{\left(x\right)} - i \operatorname{im}{\left(x\right)}$$
product
-re(x) - I*im(x)
$$- \operatorname{re}{\left(x\right)} - i \operatorname{im}{\left(x\right)}$$
=
-re(x) - I*im(x)
$$- \operatorname{re}{\left(x\right)} - i \operatorname{im}{\left(x\right)}$$
-re(x) - i*im(x)