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

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


Simplifying
2x2 + 3x + -6 = -1x2

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

Solving
-6 + 3x + 2x2 = -1x2

Solving for variable 'x'.

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

Combine like terms: -1x2 + x2 = 0
-6 + 3x + 3x2 = 0

Factor out the Greatest Common Factor (GCF), '3'.
3(-2 + x + x2) = 0

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

Ignore the factor 3.

Subproblem 1

Set the factor '(-2 + -1x)' equal to zero and attempt to solve: Simplifying -2 + -1x = 0 Solving -2 + -1x = 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 + -1x = 0 + 2 Combine like terms: -2 + 2 = 0 0 + -1x = 0 + 2 -1x = 0 + 2 Combine like terms: 0 + 2 = 2 -1x = 2 Divide each side by '-1'. x = -2 Simplifying x = -2

Subproblem 2

Set the factor '(1 + -1x)' equal to zero and attempt to solve: Simplifying 1 + -1x = 0 Solving 1 + -1x = 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 + -1x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -1x = 0 + -1 -1x = 0 + -1 Combine like terms: 0 + -1 = -1 -1x = -1 Divide each side by '-1'. x = 1 Simplifying x = 1

Solution

x = {-2, 1}

See similar equations:

| G-15=g | | .80=-.27x+.29y | | h=3+24t-16t^2 | | 3(v-6)-2=-4(-4v+3)-3v | | (-5/8)*(-7/12) | | -(-9y+9z+8)= | | 0.4(10-5c)=5c-16 | | X^3-6X^2-32=0 | | h(t)=16t^2+160t+120 | | 0.7+3.2=1.7 | | 5+0.85x=15 | | x-8=4+7x | | 5y-10=7y-50 | | .6x+0.09x=72 | | 6x+9x=72 | | (x-9)-(x+6)=4x | | 4n-5=n+15 | | x*y=840 | | 2n+10=3n-25 | | 2n+5=3n-25 | | 2.25=0.75x | | 3(x-10)=18 | | -14-6+3x=2x+14 | | N+15=4n-5 | | 10n^2=7 | | a^2-196=0 | | 3(x+11)=30 | | y/5=1 | | 3(x+10)=30 | | 0.1x=2.4 | | -8+4x+19-19x= | | X+11+3x+13=180 |

Equations solver categories