2x^2-14x+19=0

Simple and best practice solution for 2x^2-14x+19=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 2x^2-14x+19=0 equation:


Simplifying
2x2 + -14x + 19 = 0

Reorder the terms:
19 + -14x + 2x2 = 0

Solving
19 + -14x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
9.5 + -7x + x2 = 0

Move the constant term to the right:

Add '-9.5' to each side of the equation.
9.5 + -7x + -9.5 + x2 = 0 + -9.5

Reorder the terms:
9.5 + -9.5 + -7x + x2 = 0 + -9.5

Combine like terms: 9.5 + -9.5 = 0.0
0.0 + -7x + x2 = 0 + -9.5
-7x + x2 = 0 + -9.5

Combine like terms: 0 + -9.5 = -9.5
-7x + x2 = -9.5

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = -9.5 + 12.25

Reorder the terms:
12.25 + -7x + x2 = -9.5 + 12.25

Combine like terms: -9.5 + 12.25 = 2.75
12.25 + -7x + x2 = 2.75

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 2.75

Calculate the square root of the right side: 1.658312395

Break this problem into two subproblems by setting 
(x + -3.5) equal to 1.658312395 and -1.658312395.

Subproblem 1

x + -3.5 = 1.658312395 Simplifying x + -3.5 = 1.658312395 Reorder the terms: -3.5 + x = 1.658312395 Solving -3.5 + x = 1.658312395 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = 1.658312395 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = 1.658312395 + 3.5 x = 1.658312395 + 3.5 Combine like terms: 1.658312395 + 3.5 = 5.158312395 x = 5.158312395 Simplifying x = 5.158312395

Subproblem 2

x + -3.5 = -1.658312395 Simplifying x + -3.5 = -1.658312395 Reorder the terms: -3.5 + x = -1.658312395 Solving -3.5 + x = -1.658312395 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.5' to each side of the equation. -3.5 + 3.5 + x = -1.658312395 + 3.5 Combine like terms: -3.5 + 3.5 = 0.0 0.0 + x = -1.658312395 + 3.5 x = -1.658312395 + 3.5 Combine like terms: -1.658312395 + 3.5 = 1.841687605 x = 1.841687605 Simplifying x = 1.841687605

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.158312395, 1.841687605}

See similar equations:

| 14+12w=-16+9w | | x+y=68 | | .66x+4=12 | | 93-4x=23x+18 | | 10-10x=41-17x | | a^2+4(a)-21=0 | | 2y=3y-9 | | 3y=15y-30 | | 3y=2x-6 | | a^2+3(a)-2=0 | | -5n+3(6+7)= | | 6d-3(d-4)=2(d+6) | | 1.5x-6=.25x+4 | | 4z-8=3z-13 | | -1+8n=21+6n | | x*2+7x+6=0 | | 4t+5(t-2)=8 | | 15x^2+51x-18=0 | | 8p-2=24-5p | | 0.3k=0.8(11-k) | | 15x^2+51x-9=0 | | 3(2n-6)=2(2n-5) | | 7w-10=4(w-1) | | 14x+21=5x+28 | | 6d-4=5d-4 | | M=2p+3q | | 3y+8=2y | | x+(x+2)=28 | | 6x+10=3x+16 | | 9m+18=5m+6 | | 7m+6m-2=50 | | 18=6e |

Equations solver categories