7x^2+23x+10=0

Simple and best practice solution for 7x^2+23x+10=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 7x^2+23x+10=0 equation:


Simplifying
7x2 + 23x + 10 = 0

Reorder the terms:
10 + 23x + 7x2 = 0

Solving
10 + 23x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
1.428571429 + 3.285714286x + x2 = 0

Move the constant term to the right:

Add '-1.428571429' to each side of the equation.
1.428571429 + 3.285714286x + -1.428571429 + x2 = 0 + -1.428571429

Reorder the terms:
1.428571429 + -1.428571429 + 3.285714286x + x2 = 0 + -1.428571429

Combine like terms: 1.428571429 + -1.428571429 = 0.000000000
0.000000000 + 3.285714286x + x2 = 0 + -1.428571429
3.285714286x + x2 = 0 + -1.428571429

Combine like terms: 0 + -1.428571429 = -1.428571429
3.285714286x + x2 = -1.428571429

The x term is 3.285714286x.  Take half its coefficient (1.642857143).
Square it (2.698979592) and add it to both sides.

Add '2.698979592' to each side of the equation.
3.285714286x + 2.698979592 + x2 = -1.428571429 + 2.698979592

Reorder the terms:
2.698979592 + 3.285714286x + x2 = -1.428571429 + 2.698979592

Combine like terms: -1.428571429 + 2.698979592 = 1.270408163
2.698979592 + 3.285714286x + x2 = 1.270408163

Factor a perfect square on the left side:
(x + 1.642857143)(x + 1.642857143) = 1.270408163

Calculate the square root of the right side: 1.127123845

Break this problem into two subproblems by setting 
(x + 1.642857143) equal to 1.127123845 and -1.127123845.

Subproblem 1

x + 1.642857143 = 1.127123845 Simplifying x + 1.642857143 = 1.127123845 Reorder the terms: 1.642857143 + x = 1.127123845 Solving 1.642857143 + x = 1.127123845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.642857143' to each side of the equation. 1.642857143 + -1.642857143 + x = 1.127123845 + -1.642857143 Combine like terms: 1.642857143 + -1.642857143 = 0.000000000 0.000000000 + x = 1.127123845 + -1.642857143 x = 1.127123845 + -1.642857143 Combine like terms: 1.127123845 + -1.642857143 = -0.515733298 x = -0.515733298 Simplifying x = -0.515733298

Subproblem 2

x + 1.642857143 = -1.127123845 Simplifying x + 1.642857143 = -1.127123845 Reorder the terms: 1.642857143 + x = -1.127123845 Solving 1.642857143 + x = -1.127123845 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.642857143' to each side of the equation. 1.642857143 + -1.642857143 + x = -1.127123845 + -1.642857143 Combine like terms: 1.642857143 + -1.642857143 = 0.000000000 0.000000000 + x = -1.127123845 + -1.642857143 x = -1.127123845 + -1.642857143 Combine like terms: -1.127123845 + -1.642857143 = -2.769980988 x = -2.769980988 Simplifying x = -2.769980988

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.515733298, -2.769980988}

See similar equations:

| 3x+1.6x=72 | | 60=-15+x | | (8y/9^2)x(5a^3y/4y^4) | | 8a-2b=-22 | | C/-4=20 | | 2vsquared+2=300 | | 64x^2-48x=375 | | 2x-9y+9x+6y= | | X-(0.1x)=180 | | 8y/9^2 | | (x-2y)(x-2y)-64=0 | | 0.8(5x+8)=3.5-(x-3) | | 9x^2-5x+364=0 | | whatis-4.5=-1.2k | | x-2y^2-64=0 | | B+29=84 | | =27+2(3f-19) | | 9x^2+20x+364=0 | | 0.08(6+x)=0.12x+0.12 | | 2x+3+2x-4=78 | | 200-x/6=500-x/6 | | 2x+7.5=x | | (x^2-1)(x^2-9)=0 | | 3xy^2+yx=0 | | 7.50x-8=60.50 | | -15+z=-16 | | 6x-60=-2x+20 | | 2v-6+4v=0 | | 5n*5n+16=61 | | 7-5x=2x+3 | | x*4/5=7/20 | | x*5/4=7/20 |

Equations solver categories