-x^2-4x-3=-5x-10

Simple and best practice solution for -x^2-4x-3=-5x-10 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 -x^2-4x-3=-5x-10 equation:


Simplifying
-1x2 + -4x + -3 = -5x + -10

Reorder the terms:
-3 + -4x + -1x2 = -5x + -10

Reorder the terms:
-3 + -4x + -1x2 = -10 + -5x

Solving
-3 + -4x + -1x2 = -10 + -5x

Solving for variable 'x'.

Reorder the terms:
-3 + 10 + -4x + 5x + -1x2 = -10 + -5x + 10 + 5x

Combine like terms: -3 + 10 = 7
7 + -4x + 5x + -1x2 = -10 + -5x + 10 + 5x

Combine like terms: -4x + 5x = 1x
7 + 1x + -1x2 = -10 + -5x + 10 + 5x

Reorder the terms:
7 + 1x + -1x2 = -10 + 10 + -5x + 5x

Combine like terms: -10 + 10 = 0
7 + 1x + -1x2 = 0 + -5x + 5x
7 + 1x + -1x2 = -5x + 5x

Combine like terms: -5x + 5x = 0
7 + 1x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-7 + -1x + x2 = 0

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + -1x + 7 + x2 = 0 + 7

Reorder the terms:
-7 + 7 + -1x + x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -1x + x2 = 0 + 7
-1x + x2 = 0 + 7

Combine like terms: 0 + 7 = 7
-1x + x2 = 7

The x term is -1x.  Take half its coefficient (-0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-1x + 0.25 + x2 = 7 + 0.25

Reorder the terms:
0.25 + -1x + x2 = 7 + 0.25

Combine like terms: 7 + 0.25 = 7.25
0.25 + -1x + x2 = 7.25

Factor a perfect square on the left side:
(x + -0.5)(x + -0.5) = 7.25

Calculate the square root of the right side: 2.692582404

Break this problem into two subproblems by setting 
(x + -0.5) equal to 2.692582404 and -2.692582404.

Subproblem 1

x + -0.5 = 2.692582404 Simplifying x + -0.5 = 2.692582404 Reorder the terms: -0.5 + x = 2.692582404 Solving -0.5 + x = 2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = 2.692582404 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = 2.692582404 + 0.5 x = 2.692582404 + 0.5 Combine like terms: 2.692582404 + 0.5 = 3.192582404 x = 3.192582404 Simplifying x = 3.192582404

Subproblem 2

x + -0.5 = -2.692582404 Simplifying x + -0.5 = -2.692582404 Reorder the terms: -0.5 + x = -2.692582404 Solving -0.5 + x = -2.692582404 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.5' to each side of the equation. -0.5 + 0.5 + x = -2.692582404 + 0.5 Combine like terms: -0.5 + 0.5 = 0.0 0.0 + x = -2.692582404 + 0.5 x = -2.692582404 + 0.5 Combine like terms: -2.692582404 + 0.5 = -2.192582404 x = -2.192582404 Simplifying x = -2.192582404

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.192582404, -2.192582404}

See similar equations:

| 5x-14=10z-79 | | 9a+8+2(a+1)= | | F(3)=36+1 | | 5v-8=42 | | 6x+40y=22 | | -5y-(-36)+11y=18 | | -0.03w=1.72w+2.75 | | 8(-8-7x)+6(1-2x)=-58 | | 7x-4x=-27 | | -5x=-6+13 | | -m(2n-6y)= | | -4(7v-7)=5-5v | | 2ln(cos(pi/4)) | | c+7=2c | | 6.7y+24=180 | | 6.5y+24=180 | | Sinx/1 | | 5y+24=180 | | F(x)=x^2+8+14 | | 3/4(24-8y) | | Sins/1 | | 7y+24=180 | | x(4x+5p)= | | -9-6n=-5(n+1) | | h(t)=-4.9t^2+17.9t+328 | | -191=n/3-60 | | 5k-1=9+5k | | 9x^2+18x+13=0 | | ln(cos(pi/4)) | | X/9-5=4 | | ​3/1(g−3)=3 | | 25+10x+10x+15=180 |

Equations solver categories