(.36x^2)-9x-7000=0

Simple and best practice solution for (.36x^2)-9x-7000=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 (.36x^2)-9x-7000=0 equation:


Simplifying
(0.36x2) + -9x + -7000 = 0

Reorder the terms:
-7000 + -9x + (0.36x2) = 0

Solving
-7000 + -9x + (0.36x2) = 0

Solving for variable 'x'.

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

Divide each side by '0.36'.
-19444.44444 + -25x + x2 = 0

Move the constant term to the right:

Add '19444.44444' to each side of the equation.
-19444.44444 + -25x + 19444.44444 + x2 = 0 + 19444.44444

Reorder the terms:
-19444.44444 + 19444.44444 + -25x + x2 = 0 + 19444.44444

Combine like terms: -19444.44444 + 19444.44444 = 0.00000
0.00000 + -25x + x2 = 0 + 19444.44444
-25x + x2 = 0 + 19444.44444

Combine like terms: 0 + 19444.44444 = 19444.44444
-25x + x2 = 19444.44444

The x term is -25x.  Take half its coefficient (-12.5).
Square it (156.25) and add it to both sides.

Add '156.25' to each side of the equation.
-25x + 156.25 + x2 = 19444.44444 + 156.25

Reorder the terms:
156.25 + -25x + x2 = 19444.44444 + 156.25

Combine like terms: 19444.44444 + 156.25 = 19600.69444
156.25 + -25x + x2 = 19600.69444

Factor a perfect square on the left side:
((x) + -12.5)((x) + -12.5) = 19600.69444

Calculate the square root of the right side: 140.002480121

Break this problem into two subproblems by setting 
((x) + -12.5) equal to 140.002480121 and -140.002480121.

Subproblem 1

(x) + -12.5 = 140.002480121 Simplifying (x) + -12.5 = 140.002480121 x + -12.5 = 140.002480121 Reorder the terms: -12.5 + x = 140.002480121 Solving -12.5 + x = 140.002480121 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + x = 140.002480121 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + x = 140.002480121 + 12.5 x = 140.002480121 + 12.5 Combine like terms: 140.002480121 + 12.5 = 152.502480121 x = 152.502480121 Simplifying x = 152.502480121

Subproblem 2

(x) + -12.5 = -140.002480121 Simplifying (x) + -12.5 = -140.002480121 x + -12.5 = -140.002480121 Reorder the terms: -12.5 + x = -140.002480121 Solving -12.5 + x = -140.002480121 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12.5' to each side of the equation. -12.5 + 12.5 + x = -140.002480121 + 12.5 Combine like terms: -12.5 + 12.5 = 0.0 0.0 + x = -140.002480121 + 12.5 x = -140.002480121 + 12.5 Combine like terms: -140.002480121 + 12.5 = -127.502480121 x = -127.502480121 Simplifying x = -127.502480121

Solution

The solution to the problem is based on the solutions from the subproblems. x = {152.502480121, -127.502480121}

See similar equations:

| 2x^2+23x-8.1=0 | | 18=7(b-1)+4(1-7b) | | [2(x-3)]=10 | | 140=11x+9 | | 4(c+7)=7+c | | -5x+4y=31 | | 4ln+8l=56 | | -4[s+9]=-24 | | 5a-5=4a+2 | | 5(y-1)=3y+5 | | 81x^2+18x+6=0 | | 2[2r+4]=-16 | | [3(x-1)]=15 | | r^2-10r+2=0 | | 8-3.5x=2808 | | 0.9x-0.3(4-x)=6.6 | | 2x-11=y | | 6(3+x)=5(x-6) | | 4a=2(a+2)-12 | | y-3=2(-1+1) | | 7(10)+7(10)+12(10)=360 | | 3+x+5-2x=78 | | 4x(2x-7)=112 | | 3x+5[2-4(x-2)]=x-4 | | 24v^4+78v^3b-21v^2b^2=0 | | Y=2ax-9x-9b | | 3+x-5+2x=78 | | -3[x+(-8)]=56 | | 4x+17=2x | | 126=10+4p | | 7x+42=-18-3x | | F(x)=11x-1 |

Equations solver categories