7x^2-95x-364=0

Simple and best practice solution for 7x^2-95x-364=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 7x^2-95x-364=0 equation:


Simplifying
7x2 + -95x + -364 = 0

Reorder the terms:
-364 + -95x + 7x2 = 0

Solving
-364 + -95x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
-52 + -13.57142857x + x2 = 0

Move the constant term to the right:

Add '52' to each side of the equation.
-52 + -13.57142857x + 52 + x2 = 0 + 52

Reorder the terms:
-52 + 52 + -13.57142857x + x2 = 0 + 52

Combine like terms: -52 + 52 = 0
0 + -13.57142857x + x2 = 0 + 52
-13.57142857x + x2 = 0 + 52

Combine like terms: 0 + 52 = 52
-13.57142857x + x2 = 52

The x term is -13.57142857x.  Take half its coefficient (-6.785714285).
Square it (46.04591836) and add it to both sides.

Add '46.04591836' to each side of the equation.
-13.57142857x + 46.04591836 + x2 = 52 + 46.04591836

Reorder the terms:
46.04591836 + -13.57142857x + x2 = 52 + 46.04591836

Combine like terms: 52 + 46.04591836 = 98.04591836
46.04591836 + -13.57142857x + x2 = 98.04591836

Factor a perfect square on the left side:
(x + -6.785714285)(x + -6.785714285) = 98.04591836

Calculate the square root of the right side: 9.901813892

Break this problem into two subproblems by setting 
(x + -6.785714285) equal to 9.901813892 and -9.901813892.

Subproblem 1

x + -6.785714285 = 9.901813892 Simplifying x + -6.785714285 = 9.901813892 Reorder the terms: -6.785714285 + x = 9.901813892 Solving -6.785714285 + x = 9.901813892 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.785714285' to each side of the equation. -6.785714285 + 6.785714285 + x = 9.901813892 + 6.785714285 Combine like terms: -6.785714285 + 6.785714285 = 0.000000000 0.000000000 + x = 9.901813892 + 6.785714285 x = 9.901813892 + 6.785714285 Combine like terms: 9.901813892 + 6.785714285 = 16.687528177 x = 16.687528177 Simplifying x = 16.687528177

Subproblem 2

x + -6.785714285 = -9.901813892 Simplifying x + -6.785714285 = -9.901813892 Reorder the terms: -6.785714285 + x = -9.901813892 Solving -6.785714285 + x = -9.901813892 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.785714285' to each side of the equation. -6.785714285 + 6.785714285 + x = -9.901813892 + 6.785714285 Combine like terms: -6.785714285 + 6.785714285 = 0.000000000 0.000000000 + x = -9.901813892 + 6.785714285 x = -9.901813892 + 6.785714285 Combine like terms: -9.901813892 + 6.785714285 = -3.116099607 x = -3.116099607 Simplifying x = -3.116099607

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.687528177, -3.116099607}

See similar equations:

| -5x-2(x+14)=49 | | 4sqrtx-2x=-2 | | x^3+9x^2+14y+0=0 | | 4x-3x+7-2=27 | | 6p+5=4p+2p | | 8x-2=5x+6 | | 3/2x3/2x3/2 | | -429.1(-0.01)=m | | -4x+6(2x-4)=-80 | | 4x-3x+7+x-2= | | f(x)=x^5-x^3 | | 7x+15+9x=2 | | X+(X*.08)=11 | | 3u=16+u | | 7n+6n=5+8n | | -7x+7(-2x-16)=-7 | | -3=5(1+4v)-4(2-7v) | | 3x+6+2x-3x=16 | | 1n-4n+2=5 | | 6-8a=2-6a | | 5(2m+5)+7m=-40+4m | | -11/36/(-2/3)= | | 800/35x | | -2x-6(-3x+8)=32 | | 3/4-3/14 | | -4+6(-4n-7)=38-3n | | x^2+10+26=0 | | 5/14X7/8 | | 1/2n-4=2n | | 8x+y^2=12 | | 6(2m-4)-7(m-8)=42 | | 20-5x=5(3x-8) |

Equations solver categories