# Variation equation

Solve combinatorics equation:

V(2, x+8)=72

Result

x =  1

#### Solution:

Checkout calculation with our calculator of quadratic equations.

Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):

Be the first to comment!

#### To solve this example are needed these knowledge from mathematics:

Looking for help with calculating roots of a quadratic equation? See also our variations calculator. Do you have a linear equation or system of equations and looking for its solution? Or do you have quadratic equation? Would you like to compute count of combinations?

## Next similar examples:

1. Variations 4/2
Determine the number of items when the count of variations of fourth class without repeating is 600 times larger than the count of variations of second class without repetition.
2. Solve 3
Solve quadratic equation: (6n+1) (4n-1) = 3n2
3. Reciprocal equation 2
Solve this equation: x + 5/x - 6 = 4/11
4. Discriminant
Determine the discriminant of the equation: ?
5. Equation
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
6. Roots
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
8. Variable
Find variable P: PP plus P x P plus P = 160
9. Equation with abs value
How many solutions has the equation ? in the real numbers?
10. Tubes
Iron tubes in the warehouse are stored in layers so that each tube top layer fit into the gaps of the lower layer. How many layers are needed to deposit 100 tubes if top layer has 9 tubes? How many tubes are in bottom layer of tubes?
11. Evaluation of expressions
If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3