11x+15=-2x^2

Simple and best practice solution for 11x+15=-2x^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 11x+15=-2x^2 equation:


Simplifying
11x + 15 = -2x2

Reorder the terms:
15 + 11x = -2x2

Solving
15 + 11x = -2x2

Solving for variable 'x'.

Combine like terms: -2x2 + 2x2 = 0
15 + 11x + 2x2 = 0

Factor a trinomial.
(3 + x)(5 + 2x) = 0

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 '(5 + 2x)' equal to zero and attempt to solve: Simplifying 5 + 2x = 0 Solving 5 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + 2x = 0 + -5 Combine like terms: 5 + -5 = 0 0 + 2x = 0 + -5 2x = 0 + -5 Combine like terms: 0 + -5 = -5 2x = -5 Divide each side by '2'. x = -2.5 Simplifying x = -2.5

Solution

x = {-3, -2.5}

See similar equations:

| -91=(-56)-7m | | 2x+-14+-21x=5 | | 8(y+8)+y=2(y+4)+4 | | -4-(-24n)=-100 | | 5p^2+4p=2 | | (5k^2+8K+3)-(2k+4)= | | 172=(-8)+12+24x | | 7m(3m-1)=4m+5 | | 2m^2-14=-3m | | 3x+(-18)=0 | | 2w+2=8 | | 6y-6=-15 | | 6(3w+4)=2(w-5) | | 4+2s=8 | | 8+(-64n)=264 | | 2y-8=17 | | 345-6d=63 | | 2x^5+24x=14x^3 | | -k+8=18 | | 9+f=3 | | -42k+36=-300 | | 4-3a=16 | | 2(4x+2y-z)= | | 12p+7=-100 | | 2x^3-18x=-9x^2 | | 3(8m-7)=3(2m-1) | | 18x=64 | | 28x+(-24)=116 | | 5(3x-7)-3(x+2)-15x= | | y=3x^2-4x+21 | | 8*30= | | 15-2(4x+5y)= |

Equations solver categories