4x^2-11x=10

Simple and best practice solution for 4x^2-11x=10 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x^2-11x=10 equation:


Simplifying
4x2 + -11x = 10

Reorder the terms:
-11x + 4x2 = 10

Solving
-11x + 4x2 = 10

Solving for variable 'x'.

Reorder the terms:
-10 + -11x + 4x2 = 10 + -10

Combine like terms: 10 + -10 = 0
-10 + -11x + 4x2 = 0

Begin completing the square.  Divide all terms by
4 the coefficient of the squared term: 

Divide each side by '4'.
-2.5 + -2.75x + x2 = 0

Move the constant term to the right:

Add '2.5' to each side of the equation.
-2.5 + -2.75x + 2.5 + x2 = 0 + 2.5

Reorder the terms:
-2.5 + 2.5 + -2.75x + x2 = 0 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + -2.75x + x2 = 0 + 2.5
-2.75x + x2 = 0 + 2.5

Combine like terms: 0 + 2.5 = 2.5
-2.75x + x2 = 2.5

The x term is -2.75x.  Take half its coefficient (-1.375).
Square it (1.890625) and add it to both sides.

Add '1.890625' to each side of the equation.
-2.75x + 1.890625 + x2 = 2.5 + 1.890625

Reorder the terms:
1.890625 + -2.75x + x2 = 2.5 + 1.890625

Combine like terms: 2.5 + 1.890625 = 4.390625
1.890625 + -2.75x + x2 = 4.390625

Factor a perfect square on the left side:
(x + -1.375)(x + -1.375) = 4.390625

Calculate the square root of the right side: 2.095381827

Break this problem into two subproblems by setting 
(x + -1.375) equal to 2.095381827 and -2.095381827.

Subproblem 1

x + -1.375 = 2.095381827 Simplifying x + -1.375 = 2.095381827 Reorder the terms: -1.375 + x = 2.095381827 Solving -1.375 + x = 2.095381827 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.375' to each side of the equation. -1.375 + 1.375 + x = 2.095381827 + 1.375 Combine like terms: -1.375 + 1.375 = 0.000 0.000 + x = 2.095381827 + 1.375 x = 2.095381827 + 1.375 Combine like terms: 2.095381827 + 1.375 = 3.470381827 x = 3.470381827 Simplifying x = 3.470381827

Subproblem 2

x + -1.375 = -2.095381827 Simplifying x + -1.375 = -2.095381827 Reorder the terms: -1.375 + x = -2.095381827 Solving -1.375 + x = -2.095381827 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.375' to each side of the equation. -1.375 + 1.375 + x = -2.095381827 + 1.375 Combine like terms: -1.375 + 1.375 = 0.000 0.000 + x = -2.095381827 + 1.375 x = -2.095381827 + 1.375 Combine like terms: -2.095381827 + 1.375 = -0.720381827 x = -0.720381827 Simplifying x = -0.720381827

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.470381827, -0.720381827}

See similar equations:

| 5x^2-8=37 | | 3(3x-3)=3x+3 | | 2e^5x+3=6 | | x^3=3x+10 | | 5(4z-1)-3(z+2)=6(z+1) | | x+(x*.5)=20 | | 5x^2-5x-12=0 | | -2x+4=x-8 | | 7+z= | | x-z=7 | | 22+44= | | 2x^2-8x-9= | | a+b=12 | | (ax-by)=2b(3-4x) | | -2=x^2-8x+14 | | -2=x | | x+x+y=21 | | 5x+y=17 | | 5t^2=40t | | x^2=3-5x | | 6x+x(x-5)=0 | | 4r^2-17r=15 | | 2x^2+7x-17=0 | | a-6=2b | | -12n^2=-9n-8 | | -8x^2=-21 | | (5x-8)(x-6)=3x+6 | | 2x-3/4=21 | | 3m^2+10m+4=0 | | 2x-3/4= | | (3-3i)(3+i)= | | t^2-5t-24=0 |

Equations solver categories