-0.01x^2+1.18x+2=0

Simple and best practice solution for -0.01x^2+1.18x+2=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 -0.01x^2+1.18x+2=0 equation:


Simplifying
-0.01x2 + 1.18x + 2 = 0

Reorder the terms:
2 + 1.18x + -0.01x2 = 0

Solving
2 + 1.18x + -0.01x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.01 the coefficient of the squared term: 

Divide each side by '-0.01'.
-200 + -118x + x2 = 0

Move the constant term to the right:

Add '200' to each side of the equation.
-200 + -118x + 200 + x2 = 0 + 200

Reorder the terms:
-200 + 200 + -118x + x2 = 0 + 200

Combine like terms: -200 + 200 = 0
0 + -118x + x2 = 0 + 200
-118x + x2 = 0 + 200

Combine like terms: 0 + 200 = 200
-118x + x2 = 200

The x term is -118x.  Take half its coefficient (-59).
Square it (3481) and add it to both sides.

Add '3481' to each side of the equation.
-118x + 3481 + x2 = 200 + 3481

Reorder the terms:
3481 + -118x + x2 = 200 + 3481

Combine like terms: 200 + 3481 = 3681
3481 + -118x + x2 = 3681

Factor a perfect square on the left side:
(x + -59)(x + -59) = 3681

Calculate the square root of the right side: 60.671245248

Break this problem into two subproblems by setting 
(x + -59) equal to 60.671245248 and -60.671245248.

Subproblem 1

x + -59 = 60.671245248 Simplifying x + -59 = 60.671245248 Reorder the terms: -59 + x = 60.671245248 Solving -59 + x = 60.671245248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '59' to each side of the equation. -59 + 59 + x = 60.671245248 + 59 Combine like terms: -59 + 59 = 0 0 + x = 60.671245248 + 59 x = 60.671245248 + 59 Combine like terms: 60.671245248 + 59 = 119.671245248 x = 119.671245248 Simplifying x = 119.671245248

Subproblem 2

x + -59 = -60.671245248 Simplifying x + -59 = -60.671245248 Reorder the terms: -59 + x = -60.671245248 Solving -59 + x = -60.671245248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '59' to each side of the equation. -59 + 59 + x = -60.671245248 + 59 Combine like terms: -59 + 59 = 0 0 + x = -60.671245248 + 59 x = -60.671245248 + 59 Combine like terms: -60.671245248 + 59 = -1.671245248 x = -1.671245248 Simplifying x = -1.671245248

Solution

The solution to the problem is based on the solutions from the subproblems. x = {119.671245248, -1.671245248}

See similar equations:

| 2x^3+5x^2=3x | | 50x+10.5=8.5x-20.5 | | 2(5x+8)-6x=-4(4-x) | | 8-5x+1=3x+1 | | x-1=5x-8+3x | | 16-24p+9p^2=0 | | -12(3-x)=2(-4-x) | | 3n=8n-3(n-4) | | 2x+(-1)=-1+2x | | -(6-c)+(2c-7)=1 | | 4(12c-7)= | | -4(m-7)=3m-7 | | -41a+10+21a^2=0 | | -5x^2+12x+14=0 | | 10x+-6=4x | | 5k/3-1=k/3+3 | | 7-5=2x | | -5(1x-2)=25 | | 5-5x=4-8x | | 2=4a-9 | | x+dy=2x-ey | | 9(2x)=156 | | 3x+102=5x-2 | | C=-13a | | -6(5x+3)=2(x+9) | | 0=4x^3-48x-3 | | 12y^2+7y+1=0 | | 8d+1=4d+13 | | 4x^3-48x-3=0 | | -18c(-17c)+9c+c+7c=-18 | | y^4-2y^2-y^3=0 | | k-34=10 |

Equations solver categories