5x^2-13+14x=0

Simple and best practice solution for 5x^2-13+14x=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 5x^2-13+14x=0 equation:


Simplifying
5x2 + -13 + 14x = 0

Reorder the terms:
-13 + 14x + 5x2 = 0

Solving
-13 + 14x + 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'.
-2.6 + 2.8x + x2 = 0

Move the constant term to the right:

Add '2.6' to each side of the equation.
-2.6 + 2.8x + 2.6 + x2 = 0 + 2.6

Reorder the terms:
-2.6 + 2.6 + 2.8x + x2 = 0 + 2.6

Combine like terms: -2.6 + 2.6 = 0.0
0.0 + 2.8x + x2 = 0 + 2.6
2.8x + x2 = 0 + 2.6

Combine like terms: 0 + 2.6 = 2.6
2.8x + x2 = 2.6

The x term is 2.8x.  Take half its coefficient (1.4).
Square it (1.96) and add it to both sides.

Add '1.96' to each side of the equation.
2.8x + 1.96 + x2 = 2.6 + 1.96

Reorder the terms:
1.96 + 2.8x + x2 = 2.6 + 1.96

Combine like terms: 2.6 + 1.96 = 4.56
1.96 + 2.8x + x2 = 4.56

Factor a perfect square on the left side:
(x + 1.4)(x + 1.4) = 4.56

Calculate the square root of the right side: 2.13541565

Break this problem into two subproblems by setting 
(x + 1.4) equal to 2.13541565 and -2.13541565.

Subproblem 1

x + 1.4 = 2.13541565 Simplifying x + 1.4 = 2.13541565 Reorder the terms: 1.4 + x = 2.13541565 Solving 1.4 + x = 2.13541565 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.4' to each side of the equation. 1.4 + -1.4 + x = 2.13541565 + -1.4 Combine like terms: 1.4 + -1.4 = 0.0 0.0 + x = 2.13541565 + -1.4 x = 2.13541565 + -1.4 Combine like terms: 2.13541565 + -1.4 = 0.73541565 x = 0.73541565 Simplifying x = 0.73541565

Subproblem 2

x + 1.4 = -2.13541565 Simplifying x + 1.4 = -2.13541565 Reorder the terms: 1.4 + x = -2.13541565 Solving 1.4 + x = -2.13541565 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.4' to each side of the equation. 1.4 + -1.4 + x = -2.13541565 + -1.4 Combine like terms: 1.4 + -1.4 = 0.0 0.0 + x = -2.13541565 + -1.4 x = -2.13541565 + -1.4 Combine like terms: -2.13541565 + -1.4 = -3.53541565 x = -3.53541565 Simplifying x = -3.53541565

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.73541565, -3.53541565}

See similar equations:

| 600x^2-400x-250=0 | | n^2-4n-5= | | 6+c=10 | | 3z-15=z+1 | | v^2+4v-12= | | x-15-8=12 | | 6v^2-6v-72= | | 6(2x+5)=5x-19 | | 140=5(7-7x) | | 7x-15=-3x-45 | | -32y^2-4y=0 | | log(9x+5)=3+log(x+2) | | 4m+7=31whatism | | 3x^2+2x-10=2x^2 | | -2(3x-5)=28 | | 8x(2x+6)=0 | | 39=3(3z+4) | | X^2+10x+5=2x | | 48=6x^2-6x+12 | | .5(4x-8)=6x+10 | | 3(6x+2)=2(9x+2) | | 4x+3=-16 | | b^2-16b+64=14 | | h=-16t^2-28t+100 | | 0.06+200=0.03+350 | | 11(2a-3b)-2(1a+5)= | | 121x^2-16y^2= | | -1x-5x+2y+2y-7z-3z= | | 6t-6+4=9t-36-8 | | 12z+z^2=34 | | -2(y+4)=12 | | 2(z+1)=6 |

Equations solver categories