x^2+28x-96=0

Simple and best practice solution for x^2+28x-96=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 x^2+28x-96=0 equation:


Simplifying
x2 + 28x + -96 = 0

Reorder the terms:
-96 + 28x + x2 = 0

Solving
-96 + 28x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '96' to each side of the equation.
-96 + 28x + 96 + x2 = 0 + 96

Reorder the terms:
-96 + 96 + 28x + x2 = 0 + 96

Combine like terms: -96 + 96 = 0
0 + 28x + x2 = 0 + 96
28x + x2 = 0 + 96

Combine like terms: 0 + 96 = 96
28x + x2 = 96

The x term is 28x.  Take half its coefficient (14).
Square it (196) and add it to both sides.

Add '196' to each side of the equation.
28x + 196 + x2 = 96 + 196

Reorder the terms:
196 + 28x + x2 = 96 + 196

Combine like terms: 96 + 196 = 292
196 + 28x + x2 = 292

Factor a perfect square on the left side:
(x + 14)(x + 14) = 292

Calculate the square root of the right side: 17.088007491

Break this problem into two subproblems by setting 
(x + 14) equal to 17.088007491 and -17.088007491.

Subproblem 1

x + 14 = 17.088007491 Simplifying x + 14 = 17.088007491 Reorder the terms: 14 + x = 17.088007491 Solving 14 + x = 17.088007491 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = 17.088007491 + -14 Combine like terms: 14 + -14 = 0 0 + x = 17.088007491 + -14 x = 17.088007491 + -14 Combine like terms: 17.088007491 + -14 = 3.088007491 x = 3.088007491 Simplifying x = 3.088007491

Subproblem 2

x + 14 = -17.088007491 Simplifying x + 14 = -17.088007491 Reorder the terms: 14 + x = -17.088007491 Solving 14 + x = -17.088007491 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-14' to each side of the equation. 14 + -14 + x = -17.088007491 + -14 Combine like terms: 14 + -14 = 0 0 + x = -17.088007491 + -14 x = -17.088007491 + -14 Combine like terms: -17.088007491 + -14 = -31.088007491 x = -31.088007491 Simplifying x = -31.088007491

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.088007491, -31.088007491}

See similar equations:

| a^2+b^2=0 | | 3(4z-1)-3(z+9)=2(z+1) | | 3(4z-1)-3(z+9)=5(z+1) | | (8x^2-2x)=(x^3-8x+5) | | 3(4z-1)-3(z+1)=2(z+1) | | (X+3)(X^2+5X-6)= | | -3x^2(4x^2+5)= | | 2Y-33= | | 2Y-33=-9Y | | 9y^2+29y-28=0 | | y=2x^2+3x-44 | | (8x^5+3x^3+8x)+(9x^4-9x^3+5x^2)= | | 4(28-5)=92 | | 4(24-5)=92 | | 4(18-5)=92 | | 3A-5-6A=25 | | r^4-8r=0 | | 25x^2+65x+36= | | 2x-4-6=-18 | | 60(x-30)+27(x+10)=10.8 | | 2P+3+P=48 | | (x+5)2=11 | | p+10=26-3p | | (2x-1)2=81 | | 9a^2=6a+24 | | -(x-3)=13-(x+10) | | x^2-4x=45 | | (3x+3)2=36 | | 2lnx+x=0 | | 9x-3x+23=12-5x | | 7x-5+3x=30 | | 2a+2(3a+2)-(3a-9-3)=9 |

Equations solver categories