-0.3x^2+0.1x=-0.03

Simple and best practice solution for -0.3x^2+0.1x=-0.03 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 -0.3x^2+0.1x=-0.03 equation:


Simplifying
-0.3x2 + 0.1x = -0.03

Reorder the terms:
0.1x + -0.3x2 = -0.03

Solving
0.1x + -0.3x2 = -0.03

Solving for variable 'x'.

Reorder the terms:
0.03 + 0.1x + -0.3x2 = -0.03 + 0.03

Combine like terms: -0.03 + 0.03 = 0.00
0.03 + 0.1x + -0.3x2 = 0.00

Begin completing the square.  Divide all terms by
-0.3 the coefficient of the squared term: 

Divide each side by '-0.3'.
-0.1 + -0.3333333333x + x2 = 0.0

Move the constant term to the right:

Add '0.1' to each side of the equation.
-0.1 + -0.3333333333x + 0.1 + x2 = 0.0 + 0.1

Reorder the terms:
-0.1 + 0.1 + -0.3333333333x + x2 = 0.0 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + -0.3333333333x + x2 = 0.0 + 0.1
-0.3333333333x + x2 = 0.0 + 0.1

Combine like terms: 0.0 + 0.1 = 0.1
-0.3333333333x + x2 = 0.1

The x term is -0.3333333333x.  Take half its coefficient (-0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
-0.3333333333x + 0.02777777779 + x2 = 0.1 + 0.02777777779

Reorder the terms:
0.02777777779 + -0.3333333333x + x2 = 0.1 + 0.02777777779

Combine like terms: 0.1 + 0.02777777779 = 0.12777777779
0.02777777779 + -0.3333333333x + x2 = 0.12777777779

Factor a perfect square on the left side:
(x + -0.1666666667)(x + -0.1666666667) = 0.12777777779

Calculate the square root of the right side: 0.357460177

Break this problem into two subproblems by setting 
(x + -0.1666666667) equal to 0.357460177 and -0.357460177.

Subproblem 1

x + -0.1666666667 = 0.357460177 Simplifying x + -0.1666666667 = 0.357460177 Reorder the terms: -0.1666666667 + x = 0.357460177 Solving -0.1666666667 + x = 0.357460177 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = 0.357460177 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = 0.357460177 + 0.1666666667 x = 0.357460177 + 0.1666666667 Combine like terms: 0.357460177 + 0.1666666667 = 0.5241268437 x = 0.5241268437 Simplifying x = 0.5241268437

Subproblem 2

x + -0.1666666667 = -0.357460177 Simplifying x + -0.1666666667 = -0.357460177 Reorder the terms: -0.1666666667 + x = -0.357460177 Solving -0.1666666667 + x = -0.357460177 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = -0.357460177 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = -0.357460177 + 0.1666666667 x = -0.357460177 + 0.1666666667 Combine like terms: -0.357460177 + 0.1666666667 = -0.1907935103 x = -0.1907935103 Simplifying x = -0.1907935103

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.5241268437, -0.1907935103}

See similar equations:

| x+1/9=-4/9 | | 2x+5=2x | | -5a^2(4a^2-5a+4)= | | 1/2(w+14)=2(w-1) | | -1(x-4)=2x+6 | | -5m=13-3n | | 6y-15=4y-7 | | 14-(3x+4)-8x=-45 | | 5x-7=7x+4 | | 10=13-3(x+6) | | -5x^2-4x+5=0 | | 4(b+5)=5(b-6) | | 2(y+5)-5=3y-4-y+9 | | 40(30x-100)+x=40 | | 6g=78 | | =-1.4x+3.2 | | 4p-11=6p+10 | | -1(x-4)=-5r-12 | | 6x^2+8x-40=0 | | 19-13=-17p-5 | | 6m-5=7m+7+m | | 5x=115 | | 15xy=60 | | -100=10(x+80)-30x | | 12x-5x-165=12x+65 | | 9h^2-3h-2= | | 3=2a+1 | | -2v+4=-5(v+1) | | 1875-140d=895 | | 4.2x-2.68=1.68-6.7x | | .5*x=4000 | | -7(x+8)=-3x-24 |

Equations solver categories