-0.06x^2+1.2x+28=0

Simple and best practice solution for -0.06x^2+1.2x+28=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 -0.06x^2+1.2x+28=0 equation:


Simplifying
-0.06x2 + 1.2x + 28 = 0

Reorder the terms:
28 + 1.2x + -0.06x2 = 0

Solving
28 + 1.2x + -0.06x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.06 the coefficient of the squared term: 

Divide each side by '-0.06'.
-466.6666667 + -20x + x2 = 0

Move the constant term to the right:

Add '466.6666667' to each side of the equation.
-466.6666667 + -20x + 466.6666667 + x2 = 0 + 466.6666667

Reorder the terms:
-466.6666667 + 466.6666667 + -20x + x2 = 0 + 466.6666667

Combine like terms: -466.6666667 + 466.6666667 = 0.0000000
0.0000000 + -20x + x2 = 0 + 466.6666667
-20x + x2 = 0 + 466.6666667

Combine like terms: 0 + 466.6666667 = 466.6666667
-20x + x2 = 466.6666667

The x term is -20x.  Take half its coefficient (-10).
Square it (100) and add it to both sides.

Add '100' to each side of the equation.
-20x + 100 + x2 = 466.6666667 + 100

Reorder the terms:
100 + -20x + x2 = 466.6666667 + 100

Combine like terms: 466.6666667 + 100 = 566.6666667
100 + -20x + x2 = 566.6666667

Factor a perfect square on the left side:
(x + -10)(x + -10) = 566.6666667

Calculate the square root of the right side: 23.804761429

Break this problem into two subproblems by setting 
(x + -10) equal to 23.804761429 and -23.804761429.

Subproblem 1

x + -10 = 23.804761429 Simplifying x + -10 = 23.804761429 Reorder the terms: -10 + x = 23.804761429 Solving -10 + x = 23.804761429 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = 23.804761429 + 10 Combine like terms: -10 + 10 = 0 0 + x = 23.804761429 + 10 x = 23.804761429 + 10 Combine like terms: 23.804761429 + 10 = 33.804761429 x = 33.804761429 Simplifying x = 33.804761429

Subproblem 2

x + -10 = -23.804761429 Simplifying x + -10 = -23.804761429 Reorder the terms: -10 + x = -23.804761429 Solving -10 + x = -23.804761429 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10' to each side of the equation. -10 + 10 + x = -23.804761429 + 10 Combine like terms: -10 + 10 = 0 0 + x = -23.804761429 + 10 x = -23.804761429 + 10 Combine like terms: -23.804761429 + 10 = -13.804761429 x = -13.804761429 Simplifying x = -13.804761429

Solution

The solution to the problem is based on the solutions from the subproblems. x = {33.804761429, -13.804761429}

See similar equations:

| 3x^2+3y^2+24x+6y-24=0 | | 4a(9*6)= | | ax+bx=k-60b | | 12x-60=90 | | (x-7)=(x^2-49) | | ax+bx=k | | (2y-15)=(3y+4y^2) | | ax+b(x+60)=k | | 5p-7=-28 | | ax+bx-60b=0 | | (2x-3y)*(2x+3y)= | | (x^2+3x)=(x^2-xy) | | 14-0=-40 | | y(x+1)dx+(x+1)dy=0 | | 6m^2-23m+20= | | 20x^2+25x-1000=0 | | 56k-24=-4k-8 | | 8x+1=3x+7 | | 60k=32 | | Y=A+A*B | | Psquared-8p+16= | | 4x^3-108x=0 | | 60+8y=-4y | | y=cot(3x^2+5) | | y=cot(3x*2+5) | | x^4=x^10 | | 2c=5c-6 | | ln(x+7)+ln(x+8)=1 | | 12x^2-450000x=600000 | | 4x+8=-8x-16 | | -24+1.6g=5.6 | | -2x-6=-8x+30 |

Equations solver categories