3x^2+0.06*x-0.2519=0

Simple and best practice solution for 3x^2+0.06*x-0.2519=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 3x^2+0.06*x-0.2519=0 equation:


Simplifying
3x2 + 0.06x + -0.2519 = 0

Reorder the terms:
-0.2519 + 0.06x + 3x2 = 0

Solving
-0.2519 + 0.06x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
-0.08396666667 + 0.02x + x2 = 0

Move the constant term to the right:

Add '0.08396666667' to each side of the equation.
-0.08396666667 + 0.02x + 0.08396666667 + x2 = 0 + 0.08396666667

Reorder the terms:
-0.08396666667 + 0.08396666667 + 0.02x + x2 = 0 + 0.08396666667

Combine like terms: -0.08396666667 + 0.08396666667 = 0.00000000000
0.00000000000 + 0.02x + x2 = 0 + 0.08396666667
0.02x + x2 = 0 + 0.08396666667

Combine like terms: 0 + 0.08396666667 = 0.08396666667
0.02x + x2 = 0.08396666667

The x term is 0.02x.  Take half its coefficient (0.01).
Square it (0.0001) and add it to both sides.

Add '0.0001' to each side of the equation.
0.02x + 0.0001 + x2 = 0.08396666667 + 0.0001

Reorder the terms:
0.0001 + 0.02x + x2 = 0.08396666667 + 0.0001

Combine like terms: 0.08396666667 + 0.0001 = 0.08406666667
0.0001 + 0.02x + x2 = 0.08406666667

Factor a perfect square on the left side:
(x + 0.01)(x + 0.01) = 0.08406666667

Calculate the square root of the right side: 0.289942523

Break this problem into two subproblems by setting 
(x + 0.01) equal to 0.289942523 and -0.289942523.

Subproblem 1

x + 0.01 = 0.289942523 Simplifying x + 0.01 = 0.289942523 Reorder the terms: 0.01 + x = 0.289942523 Solving 0.01 + x = 0.289942523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.01' to each side of the equation. 0.01 + -0.01 + x = 0.289942523 + -0.01 Combine like terms: 0.01 + -0.01 = 0.00 0.00 + x = 0.289942523 + -0.01 x = 0.289942523 + -0.01 Combine like terms: 0.289942523 + -0.01 = 0.279942523 x = 0.279942523 Simplifying x = 0.279942523

Subproblem 2

x + 0.01 = -0.289942523 Simplifying x + 0.01 = -0.289942523 Reorder the terms: 0.01 + x = -0.289942523 Solving 0.01 + x = -0.289942523 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.01' to each side of the equation. 0.01 + -0.01 + x = -0.289942523 + -0.01 Combine like terms: 0.01 + -0.01 = 0.00 0.00 + x = -0.289942523 + -0.01 x = -0.289942523 + -0.01 Combine like terms: -0.289942523 + -0.01 = -0.299942523 x = -0.299942523 Simplifying x = -0.299942523

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.279942523, -0.299942523}

See similar equations:

| -30+21=a | | 8c-2(4a+2c)= | | 6e+9r=5c | | 2x^2=20-7x | | 6x+4(x+3)= | | 8c-3(5a-3c)= | | (4a+3c)-(2a+4c)= | | 4-x=-4 | | (3a-2c)+(4a-8c)= | | 6-z=1 | | xyz+3yz= | | 6-z=3 | | 5(8-x)-23=12-2(2x-1) | | 100[0.05(n+10)]= | | 2+z=10 | | (3a+4c)(2a-3c)= | | 20-(x+11)=x | | 2(x-3)+5(4+2x)=10 | | 5a*5=4 | | 4pq-8qr= | | (5a-3c)(2a-2c)= | | (5*2)=5 | | 10*25-35+x= | | (4.5+3+12+4.5+4+2.5+3x)=2.14 | | 5x+12=200 | | 5+65x=39x+11 | | (2x+5y)(3x+6y)= | | 5+6x=39x+11 | | (a-8)(a+5)= | | 1x-2x+4=0 | | (a+3)(a+5)= | | 5X+2y-3x-6y= |

Equations solver categories