5.76x^2+2.86x=1.35

Simple and best practice solution for 5.76x^2+2.86x=1.35 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 5.76x^2+2.86x=1.35 equation:


Simplifying
5.76x2 + 2.86x = 1.35

Reorder the terms:
2.86x + 5.76x2 = 1.35

Solving
2.86x + 5.76x2 = 1.35

Solving for variable 'x'.

Reorder the terms:
-1.35 + 2.86x + 5.76x2 = 1.35 + -1.35

Combine like terms: 1.35 + -1.35 = 0.00
-1.35 + 2.86x + 5.76x2 = 0.00

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

Divide each side by '5.76'.
-0.234375 + 0.4965277778x + x2 = 0

Move the constant term to the right:

Add '0.234375' to each side of the equation.
-0.234375 + 0.4965277778x + 0.234375 + x2 = 0 + 0.234375

Reorder the terms:
-0.234375 + 0.234375 + 0.4965277778x + x2 = 0 + 0.234375

Combine like terms: -0.234375 + 0.234375 = 0.000000
0.000000 + 0.4965277778x + x2 = 0 + 0.234375
0.4965277778x + x2 = 0 + 0.234375

Combine like terms: 0 + 0.234375 = 0.234375
0.4965277778x + x2 = 0.234375

The x term is 0.4965277778x.  Take half its coefficient (0.2482638889).
Square it (0.06163495853) and add it to both sides.

Add '0.06163495853' to each side of the equation.
0.4965277778x + 0.06163495853 + x2 = 0.234375 + 0.06163495853

Reorder the terms:
0.06163495853 + 0.4965277778x + x2 = 0.234375 + 0.06163495853

Combine like terms: 0.234375 + 0.06163495853 = 0.29600995853
0.06163495853 + 0.4965277778x + x2 = 0.29600995853

Factor a perfect square on the left side:
(x + 0.2482638889)(x + 0.2482638889) = 0.29600995853

Calculate the square root of the right side: 0.544067972

Break this problem into two subproblems by setting 
(x + 0.2482638889) equal to 0.544067972 and -0.544067972.

Subproblem 1

x + 0.2482638889 = 0.544067972 Simplifying x + 0.2482638889 = 0.544067972 Reorder the terms: 0.2482638889 + x = 0.544067972 Solving 0.2482638889 + x = 0.544067972 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2482638889' to each side of the equation. 0.2482638889 + -0.2482638889 + x = 0.544067972 + -0.2482638889 Combine like terms: 0.2482638889 + -0.2482638889 = 0.0000000000 0.0000000000 + x = 0.544067972 + -0.2482638889 x = 0.544067972 + -0.2482638889 Combine like terms: 0.544067972 + -0.2482638889 = 0.2958040831 x = 0.2958040831 Simplifying x = 0.2958040831

Subproblem 2

x + 0.2482638889 = -0.544067972 Simplifying x + 0.2482638889 = -0.544067972 Reorder the terms: 0.2482638889 + x = -0.544067972 Solving 0.2482638889 + x = -0.544067972 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2482638889' to each side of the equation. 0.2482638889 + -0.2482638889 + x = -0.544067972 + -0.2482638889 Combine like terms: 0.2482638889 + -0.2482638889 = 0.0000000000 0.0000000000 + x = -0.544067972 + -0.2482638889 x = -0.544067972 + -0.2482638889 Combine like terms: -0.544067972 + -0.2482638889 = -0.7923318609 x = -0.7923318609 Simplifying x = -0.7923318609

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.2958040831, -0.7923318609}

See similar equations:

| 21x+1=20 | | 21x-1=20 | | 21x-1=30 | | 4(x+1)+6=-2 | | 4y=3x-24 | | 0.2(x+50)+1.6x=91 | | 8w+3w(2-w)= | | 37.35=830*r*9 | | 3x+3+4*3x=279 | | 6b+8b-12=16 | | 3x-[6x-2-(9x-5)]=0 | | -3(a+2)=-2a-4 | | 21x-3=0 | | 8x+6=6x-8 | | -(1+x)=-10+2x | | 7(8-x)=0 | | 40+6y-1=17y-9-3y | | x/10=(x/11)-12 | | 0.0625*x=y | | y+y+2+2y+2=58 | | x+23+3x=-18-3x-22 | | 2.5t^2+3t-12=0 | | 3m+-4=2 | | 8+2(5x-4)-3x+7= | | (25x-^(3)y^(2))/(35x^(5)y^(4) | | 5k+4(0.5k-6)=k+(12-2k)*2+12 | | 2x^3-3x^2-8x+1=0 | | -1/10x=-4 | | 3sinx+tanx=0 | | 6(7-2p)+2=5(6-4p)+46 | | f(x)=x^3-1.2x+3 | | 14+2(3x-1)=3(x-8)+66 |

Equations solver categories