Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 3x-5(2x+1)=3(3-2x)
-
Equation 2*6-y+2=0
-
Equation 16*x^2-8*x+1=0
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Equation -5*x=25
- Express {x} in terms of y where:
- -1*x-20*y=1
- -14*x+15*y=19
- 19*x+4*y=-20
- 19*x-19*y=2
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Identical expressions
- Log22x-4log2x- twelve = zero
- Log22x minus 4 logarithm of 2x minus 12 equally 0
- Log22x minus 4 logarithm of 2x minus twelve equally zero
- Log22x-4log2x-12=O
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Similar expressions
- Log22x+4log2x-12=0
- Log22x-4log2x+12=0
Log22x-4log2x-12=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
[src]
log(22*x) - 4*log(2*x) - 12 = 0
$$\left(- 4 \log{\left(2 x \right)} + \log{\left(22 x \right)}\right) - 12 = 0$$
Rapid solution
[src]
3 ____ -4
\/ 11 *e
x1 = ----------
2
$$x_{1} = \frac{\sqrt[3]{11}}{2 e^{4}}$$
x1 = 11^(1/3)*exp(-4)/2
Sum and product of roots
[src]
sum
3 ____ -4
\/ 11 *e
----------
2
$$\frac{\sqrt[3]{11}}{2 e^{4}}$$
=
3 ____ -4
\/ 11 *e
----------
2
$$\frac{\sqrt[3]{11}}{2 e^{4}}$$
product
3 ____ -4
\/ 11 *e
----------
2
$$\frac{\sqrt[3]{11}}{2 e^{4}}$$
=
3 ____ -4
\/ 11 *e
----------
2
$$\frac{\sqrt[3]{11}}{2 e^{4}}$$
11^(1/3)*exp(-4)/2