Mister Exam
Other calculators
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How to use it?
- Equation:
-
Equation 25*x^3-10*x^2+x=0
-
Equation x^2-4x=0
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Equation -x=5
- Equation x-y+2=0
- Express {x} in terms of y where:
- 9*x+17*y=13
- -14*x-8*y=20
- 15*x+9*y=5
- -7*x+15*y=-11
-
Identical expressions
- nine *x- seventy-two *√x= zero
- 9 multiply by x minus 72 multiply by √x equally 0
- nine multiply by x minus seventy minus two multiply by √x equally zero
- 9x-72√x=0
- 9*x-72*√x=O
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Similar expressions
- 9*x+72*√x=0
9*x-72*√x=0 equation
The teacher will be very surprised to see your correct solution 😉
The solution
Detail solution
Given the equation
Obviously:
next,
transform
Because equation degree is equal to = 1/2 - does not contain even numbers in the numerator, then
the equation has single real root.
We raise the equation sides to 2-th degree:
We get:
or
We get the answer: x = 64
The final answer:
Obviously:
x0 = 0
next,
transform
Because equation degree is equal to = 1/2 - does not contain even numbers in the numerator, then
the equation has single real root.
We raise the equation sides to 2-th degree:
We get:
or
We get the answer: x = 64
The final answer:
x0 = 0