23-10x-5x^2=0

Simple and best practice solution for 23-10x-5x^2=0 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 23-10x-5x^2=0 equation:


Simplifying
23 + -10x + -5x2 = 0

Solving
23 + -10x + -5x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-5 the coefficient of the squared term: 

Divide each side by '-5'.
-4.6 + 2x + x2 = 0

Move the constant term to the right:

Add '4.6' to each side of the equation.
-4.6 + 2x + 4.6 + x2 = 0 + 4.6

Reorder the terms:
-4.6 + 4.6 + 2x + x2 = 0 + 4.6

Combine like terms: -4.6 + 4.6 = 0.0
0.0 + 2x + x2 = 0 + 4.6
2x + x2 = 0 + 4.6

Combine like terms: 0 + 4.6 = 4.6
2x + x2 = 4.6

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = 4.6 + 1

Reorder the terms:
1 + 2x + x2 = 4.6 + 1

Combine like terms: 4.6 + 1 = 5.6
1 + 2x + x2 = 5.6

Factor a perfect square on the left side:
(x + 1)(x + 1) = 5.6

Calculate the square root of the right side: 2.366431913

Break this problem into two subproblems by setting 
(x + 1) equal to 2.366431913 and -2.366431913.

Subproblem 1

x + 1 = 2.366431913 Simplifying x + 1 = 2.366431913 Reorder the terms: 1 + x = 2.366431913 Solving 1 + x = 2.366431913 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 2.366431913 + -1 Combine like terms: 1 + -1 = 0 0 + x = 2.366431913 + -1 x = 2.366431913 + -1 Combine like terms: 2.366431913 + -1 = 1.366431913 x = 1.366431913 Simplifying x = 1.366431913

Subproblem 2

x + 1 = -2.366431913 Simplifying x + 1 = -2.366431913 Reorder the terms: 1 + x = -2.366431913 Solving 1 + x = -2.366431913 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -2.366431913 + -1 Combine like terms: 1 + -1 = 0 0 + x = -2.366431913 + -1 x = -2.366431913 + -1 Combine like terms: -2.366431913 + -1 = -3.366431913 x = -3.366431913 Simplifying x = -3.366431913

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.366431913, -3.366431913}

See similar equations:

| 4(v-1)-1=2(2v-3) | | x-0.6=8.08 | | 19y-2=5+3 | | x^2-4x=4x+25 | | -v+5+6v=2+5v+3 | | 3(2+x)-x=6+2(x+1) | | (x+3)(x-3)=0 | | 9t-29=-35+3t | | 4(y+1)+y=3(y-2)+2 | | 7a-8=6 | | 9j+3=3(j+1) | | 7y+7= | | 6(y+1)-10=4(y-1)+2y | | 8y=208 | | 5+7x=24+x | | 7x-5=2(12x+10) | | 9r^2-24rs+16s^2=0 | | x/3=x/2-2 | | 8(x+1)=4 | | 3x+1-x=3 | | 60+(10+7)w=170 | | ln(2x-1)-ln(3x+1)=0 | | 2(y+1)+4=3(2y-1)+8 | | 256x^2-324=0 | | 60+(10+7)w= | | 5-6p=-17 | | (27m^3-512n^3)+(9m^2+64n^2)= | | 81m^4-256= | | -0.33(6-9x)+4x=-(2x-8) | | 5x^3+4x^2-8x+8=0 | | -0.3(6-9x)+4x=-(2x-8) | | 12c^2=27+27c |

Equations solver categories