2=x^2+5x+8

Simple and best practice solution for 2=x^2+5x+8 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 2=x^2+5x+8 equation:


Simplifying
2 = x2 + 5x + 8

Reorder the terms:
2 = 8 + 5x + x2

Solving
2 = 8 + 5x + x2

Solving for variable 'x'.

Combine like terms: 2 + -8 = -6
-6 + -5x + -1x2 = 8 + 5x + x2 + -8 + -5x + -1x2

Reorder the terms:
-6 + -5x + -1x2 = 8 + -8 + 5x + -5x + x2 + -1x2

Combine like terms: 8 + -8 = 0
-6 + -5x + -1x2 = 0 + 5x + -5x + x2 + -1x2
-6 + -5x + -1x2 = 5x + -5x + x2 + -1x2

Combine like terms: 5x + -5x = 0
-6 + -5x + -1x2 = 0 + x2 + -1x2
-6 + -5x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-6 + -5x + -1x2 = 0

Factor out the Greatest Common Factor (GCF), '-1'.
-1(6 + 5x + x2) = 0

Factor a trinomial.
-1((3 + x)(2 + x)) = 0

Ignore the factor -1.

Subproblem 1

Set the factor '(3 + x)' equal to zero and attempt to solve: Simplifying 3 + x = 0 Solving 3 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 0 + -3 Combine like terms: 3 + -3 = 0 0 + x = 0 + -3 x = 0 + -3 Combine like terms: 0 + -3 = -3 x = -3 Simplifying x = -3

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 = {-3, -2}

See similar equations:

| 30-15b=24+21b | | (12b+15)-3b=15+9b | | 2n+3n+28+17=180 | | -10d+42=92 | | 6(3H-5)=42 | | 0.5x=92 | | x-0.60x=288 | | 13b=b+vb+27 | | 5d-3=2d+8 | | (2m+5)+(6m-5)+7m=180 | | 2n+17=3n+28 | | (x+3)(x-5)(-9x-1)=0 | | 3x+8=3x+17 | | -9p-4=-40 | | 7*3+3=x | | 8-8z=-40 | | x^2+-8+12=0 | | -3p+17=11 | | 0.4x+5=12 | | 4n-1-5n=-10-n+9 | | x+(x+74)=90 | | (7x+2x)-(4x+7x)= | | S-8=4t+3 | | -3x+11=23 | | 6u=12j-12 | | -7(1+3r)=140 | | 5-0.4g=.5-4 | | 19.95x+10x=139.95 | | x=0.5*21*14 | | x-0.80x=120 | | 2b-4b=-16 | | -6(2b+3)+(3b-6)=0 |

Equations solver categories