3x^2+5x+6=x^2-3x-2

Simple and best practice solution for 3x^2+5x+6=x^2-3x-2 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 3x^2+5x+6=x^2-3x-2 equation:


Simplifying
3x2 + 5x + 6 = x2 + -3x + -2

Reorder the terms:
6 + 5x + 3x2 = x2 + -3x + -2

Reorder the terms:
6 + 5x + 3x2 = -2 + -3x + x2

Solving
6 + 5x + 3x2 = -2 + -3x + x2

Solving for variable 'x'.

Reorder the terms:
6 + 2 + 5x + 3x + 3x2 + -1x2 = -2 + -3x + x2 + 2 + 3x + -1x2

Combine like terms: 6 + 2 = 8
8 + 5x + 3x + 3x2 + -1x2 = -2 + -3x + x2 + 2 + 3x + -1x2

Combine like terms: 5x + 3x = 8x
8 + 8x + 3x2 + -1x2 = -2 + -3x + x2 + 2 + 3x + -1x2

Combine like terms: 3x2 + -1x2 = 2x2
8 + 8x + 2x2 = -2 + -3x + x2 + 2 + 3x + -1x2

Reorder the terms:
8 + 8x + 2x2 = -2 + 2 + -3x + 3x + x2 + -1x2

Combine like terms: -2 + 2 = 0
8 + 8x + 2x2 = 0 + -3x + 3x + x2 + -1x2
8 + 8x + 2x2 = -3x + 3x + x2 + -1x2

Combine like terms: -3x + 3x = 0
8 + 8x + 2x2 = 0 + x2 + -1x2
8 + 8x + 2x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
8 + 8x + 2x2 = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(4 + 4x + x2) = 0

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

Ignore the factor 2.

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:

| =16k^2-121 | | 5-3x=5+3x | | 83-6x=12x-19 | | y=5-3y | | 24/-4+7 | | 6x+4y=17 | | 5x-8y=14 | | 20=-16t^2+36t+100 | | 11x-209=2x-11 | | h(t)=-16t^2+36t+100 | | -1/4x-2 | | -1.8(4.5)= | | 12-3(3.5-2)=4(3.5)-(3.5+3) | | 12-3(x-2)=4x-(x+3) | | 1/8+5/8 | | 2x-=17 | | -7/3-(-2/3) | | 5x+27=2x+63 | | 10x+5=0 | | 4y^2+x+20y-12=0 | | 15-221-33-21 | | -5x/7-8 | | 30x-0.02x*2-50=0 | | c=30x-0.02x*2-50 | | -5/7-8-7 | | 10+g/-9=12 | | -25+t/2=50 | | table= | | 2x(x+4)=396 | | 4f+6=8t-14 | | 0=x^2-x-144 | | 2x^3-4x^2-6x=0 |

Equations solver categories