-1=x^2+2x

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


Simplifying
-1 = x2 + 2x

Reorder the terms:
-1 = 2x + x2

Solving
-1 = 2x + x2

Solving for variable 'x'.

Reorder the terms:
-1 + -2x + -1x2 = 2x + -2x + x2 + -1x2

Combine like terms: 2x + -2x = 0
-1 + -2x + -1x2 = 0 + x2 + -1x2
-1 + -2x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-1 + -2x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(1 + 2x + x2) = 0

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

Ignore the factor -1.

Subproblem 1

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Subproblem 2

Set the factor '(1 + x)' equal to zero and attempt to solve: Simplifying 1 + x = 0 Solving 1 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0 + -1 x = 0 + -1 Combine like terms: 0 + -1 = -1 x = -1 Simplifying x = -1

Solution

x = {-1, -1}

See similar equations:

| (5x^2+4x+7)= | | 30x^4-119x^3+86x^2+7x-12=0 | | 4y-x+14=0 | | p(x)=3x^3+4x^2+x-6 | | (2x^3-8x^2+9x)= | | x-31/2=5 | | 14y-x+14=0 | | 1000/10+20-20-200/10 | | x-8.2=-10 | | w=4w^2+10 | | 1025/25+20*3 | | 4x-7=0.5(-14+8x) | | 4x-7=0.5(3+8x) | | 4W+W^2=165 | | -12x-9=-3(3+4x) | | -12x-15=-3(3+4x) | | 22x-15=-3(3+4x) | | 1.3x=54+x | | (3x^3+4x^2+3x+8)+(-3x^3+4x^2-3x+6)= | | (W+2)(W+2)=169 | | 1/2(2+2/3x)=6/5 | | x^2+4y+27y+7=65 | | x^2+4y=65 | | x+2/3x=12 | | b-4/5=-3 | | 49v^2-81= | | 1/6-x/2=2x/3+1/4 | | 2^0m^3n^-5/4n^3r^0s^-5 | | 3/8k=6 | | 6a^2-7a+18= | | 9x+5y=100 | | 2(x+5)-7=-2(x+1)+17 |

Equations solver categories