x^2-35.6x+300.84=0

Simple and best practice solution for x^2-35.6x+300.84=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^2-35.6x+300.84=0 equation:


Simplifying
x2 + -35.6x + 300.84 = 0

Reorder the terms:
300.84 + -35.6x + x2 = 0

Solving
300.84 + -35.6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-300.84' to each side of the equation.
300.84 + -35.6x + -300.84 + x2 = 0 + -300.84

Reorder the terms:
300.84 + -300.84 + -35.6x + x2 = 0 + -300.84

Combine like terms: 300.84 + -300.84 = 0.00
0.00 + -35.6x + x2 = 0 + -300.84
-35.6x + x2 = 0 + -300.84

Combine like terms: 0 + -300.84 = -300.84
-35.6x + x2 = -300.84

The x term is -35.6x.  Take half its coefficient (-17.8).
Square it (316.84) and add it to both sides.

Add '316.84' to each side of the equation.
-35.6x + 316.84 + x2 = -300.84 + 316.84

Reorder the terms:
316.84 + -35.6x + x2 = -300.84 + 316.84

Combine like terms: -300.84 + 316.84 = 16
316.84 + -35.6x + x2 = 16

Factor a perfect square on the left side:
(x + -17.8)(x + -17.8) = 16

Calculate the square root of the right side: 4

Break this problem into two subproblems by setting 
(x + -17.8) equal to 4 and -4.

Subproblem 1

x + -17.8 = 4 Simplifying x + -17.8 = 4 Reorder the terms: -17.8 + x = 4 Solving -17.8 + x = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '17.8' to each side of the equation. -17.8 + 17.8 + x = 4 + 17.8 Combine like terms: -17.8 + 17.8 = 0.0 0.0 + x = 4 + 17.8 x = 4 + 17.8 Combine like terms: 4 + 17.8 = 21.8 x = 21.8 Simplifying x = 21.8

Subproblem 2

x + -17.8 = -4 Simplifying x + -17.8 = -4 Reorder the terms: -17.8 + x = -4 Solving -17.8 + x = -4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '17.8' to each side of the equation. -17.8 + 17.8 + x = -4 + 17.8 Combine like terms: -17.8 + 17.8 = 0.0 0.0 + x = -4 + 17.8 x = -4 + 17.8 Combine like terms: -4 + 17.8 = 13.8 x = 13.8 Simplifying x = 13.8

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.8, 13.8}

See similar equations:

| -12.7-(-14.9)= | | 4w+8=90 | | -42=3/2R | | 1.7=-6c+0.7+7c+0.4 | | -6a-5=37 | | 4/10=n/45 | | 5x=6+20x | | 4/n=65 | | 5=6+-20x | | 4.4*10^-3/2.5*10^2 | | 5a(a-2)-3a^2=20 | | f(x)=300x-5x^2+7 | | 12x-7=11(x+8)+5 | | 4.5r=19.35 | | 3z-(-11)=35 | | 20(1-q)= | | 5k+9.7=4.9k+9.96 | | 4x4x10^-3/2x5x10^2 | | 53yd= | | 5a+7.8=52.3 | | F(x+4)=6x+8 | | 5x/2-5=8 | | -7x+9=-8 | | 22+11t+7k-4t-2k-2= | | 4*4*10^-3/2*5*10^2 | | (2-5x)(1-x)-(4-x)(4+x)= | | 3(4x+5)=4(2x-5) | | r/-9=-4 | | x^4+3x^3-x-3= | | 4(6x-2)=2(2x-5) | | 1/9y-2=-1 | | 60[2s+5]=64 |

Equations solver categories