x^2+35.4x-355.03=0

Simple and best practice solution for x^2+35.4x-355.03=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+35.4x-355.03=0 equation:


Simplifying
x2 + 35.4x + -355.03 = 0

Reorder the terms:
-355.03 + 35.4x + x2 = 0

Solving
-355.03 + 35.4x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '355.03' to each side of the equation.
-355.03 + 35.4x + 355.03 + x2 = 0 + 355.03

Reorder the terms:
-355.03 + 355.03 + 35.4x + x2 = 0 + 355.03

Combine like terms: -355.03 + 355.03 = 0.00
0.00 + 35.4x + x2 = 0 + 355.03
35.4x + x2 = 0 + 355.03

Combine like terms: 0 + 355.03 = 355.03
35.4x + x2 = 355.03

The x term is 35.4x.  Take half its coefficient (17.7).
Square it (313.29) and add it to both sides.

Add '313.29' to each side of the equation.
35.4x + 313.29 + x2 = 355.03 + 313.29

Reorder the terms:
313.29 + 35.4x + x2 = 355.03 + 313.29

Combine like terms: 355.03 + 313.29 = 668.32
313.29 + 35.4x + x2 = 668.32

Factor a perfect square on the left side:
(x + 17.7)(x + 17.7) = 668.32

Calculate the square root of the right side: 25.851885811

Break this problem into two subproblems by setting 
(x + 17.7) equal to 25.851885811 and -25.851885811.

Subproblem 1

x + 17.7 = 25.851885811 Simplifying x + 17.7 = 25.851885811 Reorder the terms: 17.7 + x = 25.851885811 Solving 17.7 + x = 25.851885811 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17.7' to each side of the equation. 17.7 + -17.7 + x = 25.851885811 + -17.7 Combine like terms: 17.7 + -17.7 = 0.0 0.0 + x = 25.851885811 + -17.7 x = 25.851885811 + -17.7 Combine like terms: 25.851885811 + -17.7 = 8.151885811 x = 8.151885811 Simplifying x = 8.151885811

Subproblem 2

x + 17.7 = -25.851885811 Simplifying x + 17.7 = -25.851885811 Reorder the terms: 17.7 + x = -25.851885811 Solving 17.7 + x = -25.851885811 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-17.7' to each side of the equation. 17.7 + -17.7 + x = -25.851885811 + -17.7 Combine like terms: 17.7 + -17.7 = 0.0 0.0 + x = -25.851885811 + -17.7 x = -25.851885811 + -17.7 Combine like terms: -25.851885811 + -17.7 = -43.551885811 x = -43.551885811 Simplifying x = -43.551885811

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.151885811, -43.551885811}

See similar equations:

| h(0)=2 | | 3[2(j-2)-7(2j-3)]-5[4(2j-5)-(3j-2)]=6(j+1)+1 | | -5(x+3)-2=-20 | | 3x=72+3 | | 12a^5b^2+16a^4b=0 | | 60X^2-X+3540=0 | | 10y-2x=-38 | | 2p+1=8+2p | | 3.498=-0.53 | | -5(4.285)-67=9(4.285)+7 | | xy+2x-x-xy+7y= | | h+4=-21 | | 5/6-2x=x/3 | | -x+16x=28 | | (x+8)(x+1)=44 | | 12-5z=7 | | 10b-2b-6b-b=19 | | 72=3u | | x^2+35.4x-185.124=0 | | 3a-10+4=a | | 12a-4a^2-3=0 | | x/7-7=-14 | | (3m+2)*(x*x)+(4m+5)*X+7m= | | 6(3x+4)-8(2x-5+6x)=80 | | 3x+y-x+2x-4y= | | x^2+35.4x-4318.8=0 | | 12=b+9.3 | | x*12+13=x*5+132 | | 42=2 | | 3(x-3)=2x | | 6x-2x-2x+2x+3x=17 | | -3x+6(-2+5x)=12 |

Equations solver categories