0=-x^2-28-11x

Simple and best practice solution for 0=-x^2-28-11x 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 0=-x^2-28-11x equation:


Simplifying
0 = -1x2 + -28 + -11x

Reorder the terms:
0 = -28 + -11x + -1x2

Solving
0 = -28 + -11x + -1x2

Solving for variable 'x'.

Combine like terms: 0 + 28 = 28
28 + 11x + x2 = -28 + -11x + -1x2 + 28 + 11x + x2

Reorder the terms:
28 + 11x + x2 = -28 + 28 + -11x + 11x + -1x2 + x2

Combine like terms: -28 + 28 = 0
28 + 11x + x2 = 0 + -11x + 11x + -1x2 + x2
28 + 11x + x2 = -11x + 11x + -1x2 + x2

Combine like terms: -11x + 11x = 0
28 + 11x + x2 = 0 + -1x2 + x2
28 + 11x + x2 = -1x2 + x2

Combine like terms: -1x2 + x2 = 0
28 + 11x + x2 = 0

Factor a trinomial.
(7 + x)(4 + x) = 0

Subproblem 1

Set the factor '(7 + x)' equal to zero and attempt to solve: Simplifying 7 + x = 0 Solving 7 + x = 0 Move all terms containing x to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + x = 0 + -7 Combine like terms: 7 + -7 = 0 0 + x = 0 + -7 x = 0 + -7 Combine like terms: 0 + -7 = -7 x = -7 Simplifying x = -7

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 = {-7, -4}

See similar equations:

| 36=32x+16 | | 4x^2-81y^6= | | x+7 = 3 | | (5-x)/2=x/20 | | N-12=7n | | Y=9-(x-5)(x-5) | | 8/x=6/9 | | 22/j=-2 | | R^2+5r=-6 | | 29+q=34 | | x^2+y^2+6x-12y+40=0 | | -11(3/2)(12(.12) | | 7x^3-14x= | | a^2-3a=4 | | 15/20/3/4b | | 0.25n+3.3=1.3-0.75n | | 0.5(-4+6x)=0.6(x+9) | | 3.4+10m=8.93 | | A^2-4=-3a | | -1/8÷3/5= | | X-3/57 | | 3.03g-(2g+3)=1.8+3g | | -3x+5x-7x=0 | | 6j+9=5j | | g-15=0 | | 2(4isquared)+22=0 | | 27+15=y | | -5v+6=-6v | | 2sinx+1.41=0 | | 9f=7+8f | | n^2+8n+5=-10 | | 4+6g=10g |

Equations solver categories