-2=x^2+2x-10

Simple and best practice solution for -2=x^2+2x-10 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+2x-10 equation:


Simplifying
-2 = x2 + 2x + -10

Reorder the terms:
-2 = -10 + 2x + x2

Solving
-2 = -10 + 2x + x2

Solving for variable 'x'.

Combine like terms: -2 + 10 = 8
8 + -2x + -1x2 = -10 + 2x + x2 + 10 + -2x + -1x2

Reorder the terms:
8 + -2x + -1x2 = -10 + 10 + 2x + -2x + x2 + -1x2

Combine like terms: -10 + 10 = 0
8 + -2x + -1x2 = 0 + 2x + -2x + x2 + -1x2
8 + -2x + -1x2 = 2x + -2x + x2 + -1x2

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

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

Factor a trinomial.
(2 + -1x)(4 + x) = 0

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 '(4 + x)' equal to zero and attempt to solve: Simplifying 4 + x = 0 Solving 4 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + x = 0 + -4 x = 0 + -4 Combine like terms: 0 + -4 = -4 x = -4 Simplifying x = -4

Solution

x = {2, -4}

See similar equations:

| 4d+10=6d | | x+x+2=76 | | 3x+7y=2x | | 6c=12+2c | | 2a+6=13 | | 100=100(b-2) | | 14t-20=50 | | rs+r= | | 4x+4=3x-10 | | 2/3x=1/4x-15 | | 2/3x=1/4x-5 | | 9x-18y-12x= | | 1=cot^2x+2cotx | | 4x-1+2(5-x)=x+71 | | 24x-4=18x+26 | | log15/log13 | | 3a+9whena=5 | | 7d-2d-2d-3d+2d=14 | | 11x^2-100x-11=0 | | 3p+5+2p=6+4 | | 96=.75x+4y | | 2u+5v-18u+19v= | | (x-6)+(x-8)=1.5x | | -7.8x=2.73 | | 0.7=-0.2 | | 5u-7=43 | | 16x-20x+-13x+19x=-16 | | 2x^2/3-x^1/3=28 | | x+2=81 | | 9.9u+0.33v+0.07u+1.8v= | | 16x-20x+-13x+19=-16 | | 400=1.5x+x |

Equations solver categories