Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation 4*x^2-13*x+3=0
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Equation 3x+5=0
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Equation x^3-2x+1=0
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Equation sinx=1/4
- Express {x} in terms of y where:
- -13*x-17*y=8
- 2*x+16*y=5
- -10*x+3*y=7
- -3*x+1*y=5
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Identical expressions
- sqrt(x+ seven)(3x- two)=(3x- one)sqrt(x+ two)
- square root of (x plus 7)(3x minus 2) equally (3x minus 1) square root of (x plus 2)
- square root of (x plus seven)(3x minus two) equally (3x minus one) square root of (x plus two)
- √(x+7)(3x-2)=(3x-1)√(x+2)
- sqrtx+73x-2=3x-1sqrtx+2
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Similar expressions
- sqrt(x+7)(3x-2)=(3x-1)sqrt(x-2)
- sqrt(x+7)(3x-2)=(3x+1)sqrt(x+2)
- sqrt(x+7)(3x+2)=(3x-1)sqrt(x+2)
- sqrt(x-7)(3x-2)=(3x-1)sqrt(x+2)
sqrt(x+7)(3x-2)=(3x-1)sqrt(x+2) equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
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_______ _______ \/ x + 7 *(3*x - 2) = (3*x - 1)*\/ x + 2
$$\sqrt{x + 7} \left(3 x - 2\right) = \sqrt{x + 2} \left(3 x - 1\right)$$
Rapid solution
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_____
23 \/ 705
x1 = -- + -------
26 78
$$x_{1} = \frac{\sqrt{705}}{78} + \frac{23}{26}$$
x1 = sqrt(705)/78 + 23/26
Sum and product of roots
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sum
_____ 23 \/ 705 -- + ------- 26 78
$$\frac{\sqrt{705}}{78} + \frac{23}{26}$$
=
_____ 23 \/ 705 -- + ------- 26 78
$$\frac{\sqrt{705}}{78} + \frac{23}{26}$$
product
_____ 23 \/ 705 -- + ------- 26 78
$$\frac{\sqrt{705}}{78} + \frac{23}{26}$$
=
_____ 23 \/ 705 -- + ------- 26 78
$$\frac{\sqrt{705}}{78} + \frac{23}{26}$$
23/26 + sqrt(705)/78
Numerical answer
[src]
x1 = 1.22502353967569
x2 = 1.22502353967569 - 1.97632161579935e-19*i
x2 = 1.22502353967569 - 1.97632161579935e-19*i