x^2+64x+320=0

Simple and best practice solution for x^2+64x+320=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+64x+320=0 equation:


Simplifying
x2 + 64x + 320 = 0

Reorder the terms:
320 + 64x + x2 = 0

Solving
320 + 64x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-320' to each side of the equation.
320 + 64x + -320 + x2 = 0 + -320

Reorder the terms:
320 + -320 + 64x + x2 = 0 + -320

Combine like terms: 320 + -320 = 0
0 + 64x + x2 = 0 + -320
64x + x2 = 0 + -320

Combine like terms: 0 + -320 = -320
64x + x2 = -320

The x term is 64x.  Take half its coefficient (32).
Square it (1024) and add it to both sides.

Add '1024' to each side of the equation.
64x + 1024 + x2 = -320 + 1024

Reorder the terms:
1024 + 64x + x2 = -320 + 1024

Combine like terms: -320 + 1024 = 704
1024 + 64x + x2 = 704

Factor a perfect square on the left side:
(x + 32)(x + 32) = 704

Calculate the square root of the right side: 26.532998323

Break this problem into two subproblems by setting 
(x + 32) equal to 26.532998323 and -26.532998323.

Subproblem 1

x + 32 = 26.532998323 Simplifying x + 32 = 26.532998323 Reorder the terms: 32 + x = 26.532998323 Solving 32 + x = 26.532998323 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-32' to each side of the equation. 32 + -32 + x = 26.532998323 + -32 Combine like terms: 32 + -32 = 0 0 + x = 26.532998323 + -32 x = 26.532998323 + -32 Combine like terms: 26.532998323 + -32 = -5.467001677 x = -5.467001677 Simplifying x = -5.467001677

Subproblem 2

x + 32 = -26.532998323 Simplifying x + 32 = -26.532998323 Reorder the terms: 32 + x = -26.532998323 Solving 32 + x = -26.532998323 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-32' to each side of the equation. 32 + -32 + x = -26.532998323 + -32 Combine like terms: 32 + -32 = 0 0 + x = -26.532998323 + -32 x = -26.532998323 + -32 Combine like terms: -26.532998323 + -32 = -58.532998323 x = -58.532998323 Simplifying x = -58.532998323

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-5.467001677, -58.532998323}

See similar equations:

| X^2-6x+3+r=0 | | -10=-5m | | 8w+20+2w=7w+49-20 | | 1+13=14 | | 3(3-14)+1=-4x+5 | | 12d-80=0 | | ln(14x+1)=5 | | 100-5x=140-5+5x | | 26=x-(-7) | | 3x^2-20x+3500=0 | | 2y+8-4y=4 | | 3x^2+20x-3500=0 | | (3x-7)=(4x+2) | | 10x+5y=1550 | | 19+1.50+15=2.75 | | 2x^2-5x+m=0 | | 98=r^2 | | 2.5x+8=1.5x-12 | | factoru^2+u-20=0 | | D=1/3nzm | | 1/14-1/7 | | (2x-7)+(3x+3)=21 | | T-3b=6 | | 1/2×4×2 | | 6a/18=36 | | 2r+2(r+3)=214 | | 3p+2(-3)=91.50 | | A^2+11a-18=0 | | 10x-1=7x+2 | | 25+75=850 | | x/7-3/4 | | X(x+16)(x-4)=768 |

Equations solver categories