Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation (x+6)^3=25*(x+6)
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Equation 1-5x=-6x+8
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Equation 1-5*x=-6*x+8
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Equation x^2-8*x+17=0
- Express {x} in terms of y where:
- -7*x-7*y=-14
- 10*x-2*y=0
- -15*x+17*y=13
- -11*x-15*y=14
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Identical expressions
- ((one - two x)^ one / two)*(one -4x*(one + two x)^ one /2)=8x^2- one
- ((1 minus 2x) to the power of 1 divide by 2) multiply by (1 minus 4x multiply by (1 plus 2x) to the power of 1 divide by 2) equally 8x squared minus 1
- ((one minus two x) to the power of one divide by two) multiply by (one minus 4x multiply by (one plus two x) to the power of one divide by 2) equally 8x squared minus one
- ((1-2x)1/2)*(1-4x*(1+2x)1/2)=8x2-1
- 1-2x1/2*1-4x*1+2x1/2=8x2-1
- ((1-2x)^1/2)*(1-4x*(1+2x)^1/2)=8x²-1
- ((1-2x) to the power of 1/2)*(1-4x*(1+2x) to the power of 1/2)=8x to the power of 2-1
- ((1-2x)^1/2)(1-4x(1+2x)^1/2)=8x^2-1
- ((1-2x)1/2)(1-4x(1+2x)1/2)=8x2-1
- 1-2x1/21-4x1+2x1/2=8x2-1
- 1-2x^1/21-4x1+2x^1/2=8x^2-1
- ((1-2x)^1 divide by 2)*(1-4x*(1+2x)^1 divide by 2)=8x^2-1
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Similar expressions
- ((1-2x)^1/2)*(1-4x*(1+2x)^1/2)=8x^2+1
- ((1-2x)^1/2)*(1-4x*(1-2x)^1/2)=8x^2-1
- ((1+2x)^1/2)*(1-4x*(1+2x)^1/2)=8x^2-1
- ((1-2x)^1/2)*(1+4x*(1+2x)^1/2)=8x^2-1
((1-2x)^1/2)*(1-4x*(1+2x)^1/2)=8x^2-1 equation
The teacher will be very surprised to see your correct solution 😉
The solution
You have entered
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_________ / _________\ 2 \/ 1 - 2*x *\1 - 4*x*\/ 1 + 2*x / = 8*x - 1
$$\sqrt{- 2 x + 1} \cdot \left(- 4 x \sqrt{2 x + 1} + 1\right) = 8 x^{2} - 1$$
Rapid solution
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\/ 10 - 2*\/ 5
x_1 = -----------------
8
$$x_{1} = \frac{\sqrt{- 2 \sqrt{5} + 10}}{8}$$
Sum and product of roots
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sum
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/ ___
\/ 10 - 2*\/ 5
-----------------
8
$$\left(\frac{\sqrt{- 2 \sqrt{5} + 10}}{8}\right)$$
=
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/ ___
\/ 10 - 2*\/ 5
-----------------
8
$$\frac{\sqrt{- 2 \sqrt{5} + 10}}{8}$$
product
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/ ___
\/ 10 - 2*\/ 5
-----------------
8
$$\left(\frac{\sqrt{- 2 \sqrt{5} + 10}}{8}\right)$$
=
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/ ___
\/ 10 - 2*\/ 5
-----------------
8
$$\frac{\sqrt{- 2 \sqrt{5} + 10}}{8}$$
The graph