Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation e^x=0
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Equation x^4-1=0
- Equation x+y+2=0
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Equation x^2-3*x+3=0
- Express {x} in terms of y where:
- 2*x+2*y=-6
- 10*x-2*y=0
- -9*x-4*y=-20
- 4*x-7*y=4
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Identical expressions
- x+y+ two = zero
- x plus y plus 2 equally 0
- x plus y plus two equally zero
- x+y+2=O
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Similar expressions
- x+y-2=0
- 40*1/5*(x-2*y)^2+36*1/5*(x-2*y)*(2*x+y)+25*1/5*(2*x+y)^2-8*1/sqrt(5)*(x-2*y)-14*1/sqrt(5)*(2*x-y)+1=0
- x-y+2=0
x+y+2=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
The graph
Rapid solution
[src]
x1 = -2 - re(y) - I*im(y)
$$x_{1} = - \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)} - 2$$
x1 = -re(y) - i*im(y) - 2
Sum and product of roots
[src]
sum
-2 - re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)} - 2$$
=
-2 - re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)} - 2$$
product
-2 - re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)} - 2$$
=
-2 - re(y) - I*im(y)
$$- \operatorname{re}{\left(y\right)} - i \operatorname{im}{\left(y\right)} - 2$$
-2 - re(y) - i*im(y)