-3-x=x^2+3x+1

Simple and best practice solution for -3-x=x^2+3x+1 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 -3-x=x^2+3x+1 equation: 


Simplifying
-3 + -1x = x2 + 3x + 1

Reorder the terms:
-3 + -1x = 1 + 3x + x2

Solving
-3 + -1x = 1 + 3x + x2

Solving for variable 'x'.

Reorder the terms:
-3 + -1 + -1x + -3x + -1x2 = 1 + 3x + x2 + -1 + -3x + -1x2

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

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

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

Combine like terms: 1 + -1 = 0
-4 + -4x + -1x2 = 0 + 3x + -3x + x2 + -1x2
-4 + -4x + -1x2 = 3x + -3x + x2 + -1x2

Combine like terms: 3x + -3x = 0
-4 + -4x + -1x2 = 0 + x2 + -1x2
-4 + -4x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-4 + -4x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(4 + 4x + x2) = 0

Factor a trinomial.
-1((2 + x)(2 + x)) = 0

Ignore the factor -1.

Subproblem 1
Set the factor '(2 + x)' equal to zero and attempt to solve:

Simplifying
2 + x = 0

Solving
2 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + x = 0 + -2
x = 0 + -2

Combine like terms: 0 + -2 = -2
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(2 + x)' equal to zero and attempt to solve:

Simplifying
2 + x = 0

Solving
2 + x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + x = 0 + -2

Combine like terms: 2 + -2 = 0
0 + x = 0 + -2
x = 0 + -2

Combine like terms: 0 + -2 = -2
x = -2

Simplifying
x = -2
Solution
x = {-2, -2}

See similar equations:

| a+2a=12 | | 36=v(2) | | -4x^6(-7)=0 | | 7x/5x+15*x+3/8 | | -4x^6(3x^2)=0 | | 6(3y+2)-8=(2) | | 2(x+4)-10=0 | | -4x^6(10x^3)=0 | | (0.5+x)(1+x)(0.25+x)=0 | | (secx-1)*(cosx-1)=1.41 | | a(a+8)-a(a+3)-23=3a+11 | | 2x=2x^2-4x | | (3)(3a-6)=0 | | x-13=36 | | 3(2-b)=4b-[5b+1-3(5-2b)] | | (0.5+x)(1+x)(0.75+x)=0 | | 2sinx=-3cosx | | (0.25+x)(1+x)(0.75+x)=0 | | 7x-5=20-3x | | 5x+18.6=7 | | -7q^2(-7)=0 | | -10*6+2y=-20 | | 2x*(x+36)=2*(x*x+2) | | 5.3a-7.9=2.6a+2.9 | | -x^3+1.75x^2-x+0.1875=0 | | (x^3+3x^2-x-6)/(x-1) | | 4y-2=0 | | 5+4y=10 | | -10*9+2y=-20 | | 4a+7=59 | | -7q^2(-2q)=0 | | 6f/2=264 |

Equations solver categories