Mister Exam
Other calculators
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How to use it?
- Equation:
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Equation -5x=30
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Equation 3*x^2=18*x
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Equation 16*x^2-9=0
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Equation 0*x=5
- Express {x} in terms of y where:
- 10*x-18*y=-6
- 3*x-12*y=-14
- 16*x+11*y=-14
- -4*x+20*y=-14
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Identical expressions
- two cosx-x^2- eight = zero
- 2 co sinus of e of x minus x squared minus 8 equally 0
- two co sinus of e of x minus x squared minus eight equally zero
- 2cosx-x2-8=0
- 2cosx-x²-8=0
- 2cosx-x to the power of 2-8=0
- 2cosx-x^2-8=O
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Similar expressions
- 2cosx+x^2-8=0
- 2cosx-x^2+8=0
2cosx-x^2-8=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
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2 2*cos(x) - x - 8 = 0
$$\left(- x^{2} + 2 \cos{\left(x \right)}\right) - 8 = 0$$