x^2-300x+17980=0

Simple and best practice solution for x^2-300x+17980=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^2-300x+17980=0 equation:


Simplifying
x2 + -300x + 17980 = 0

Reorder the terms:
17980 + -300x + x2 = 0

Solving
17980 + -300x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-17980' to each side of the equation.
17980 + -300x + -17980 + x2 = 0 + -17980

Reorder the terms:
17980 + -17980 + -300x + x2 = 0 + -17980

Combine like terms: 17980 + -17980 = 0
0 + -300x + x2 = 0 + -17980
-300x + x2 = 0 + -17980

Combine like terms: 0 + -17980 = -17980
-300x + x2 = -17980

The x term is -300x.  Take half its coefficient (-150).
Square it (22500) and add it to both sides.

Add '22500' to each side of the equation.
-300x + 22500 + x2 = -17980 + 22500

Reorder the terms:
22500 + -300x + x2 = -17980 + 22500

Combine like terms: -17980 + 22500 = 4520
22500 + -300x + x2 = 4520

Factor a perfect square on the left side:
(x + -150)(x + -150) = 4520

Calculate the square root of the right side: 67.230945256

Break this problem into two subproblems by setting 
(x + -150) equal to 67.230945256 and -67.230945256.

Subproblem 1

x + -150 = 67.230945256 Simplifying x + -150 = 67.230945256 Reorder the terms: -150 + x = 67.230945256 Solving -150 + x = 67.230945256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = 67.230945256 + 150 Combine like terms: -150 + 150 = 0 0 + x = 67.230945256 + 150 x = 67.230945256 + 150 Combine like terms: 67.230945256 + 150 = 217.230945256 x = 217.230945256 Simplifying x = 217.230945256

Subproblem 2

x + -150 = -67.230945256 Simplifying x + -150 = -67.230945256 Reorder the terms: -150 + x = -67.230945256 Solving -150 + x = -67.230945256 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '150' to each side of the equation. -150 + 150 + x = -67.230945256 + 150 Combine like terms: -150 + 150 = 0 0 + x = -67.230945256 + 150 x = -67.230945256 + 150 Combine like terms: -67.230945256 + 150 = 82.769054744 x = 82.769054744 Simplifying x = 82.769054744

Solution

The solution to the problem is based on the solutions from the subproblems. x = {217.230945256, 82.769054744}

See similar equations:

| 30-x=90 | | 1.375(4x-8)-2=0.6875(8x-12) | | 0.333(a-2)=0.5(a+20) | | 3x^2+5x^4-2=0 | | 20k+100=20(k+0.429) | | 4(x-3)-6=24+x | | 30y+45=7.5(4y+6) | | 0.1(2x-4)=0.2(x-2) | | 0.222(4a-2)=0.5(a-20) | | 3/2x=14.5 | | 25b-4-6(4b+1)=-3 | | 10t+25(52-0.4t)=1300 | | (20x/4)(x^9/5x^5) | | y^2-10y-15=7 | | 6*x+(12*12)-14=148 | | 0.3(7a-1)=2a+7 | | 20x/4*x^9/5x^5 | | 24/x=3 | | 4x-1=5.25 | | 12x=11x-10 | | 1/3(9)squared | | 2.5-L=20hrs | | 4x-1=51/4 | | .6(X+10)-3.1=.7X | | 5xy+5xy=0 | | 7y-2=-2+4y | | 5-3(3x-6)= | | 4.9t^2-2.5t+3=0 | | 0.5m+89=144 | | Sinx=5/7 | | ln(4)+ln(x-8)=ln(18) | | 6x-(5x+3)=-3 |

Equations solver categories