-a^2+11a+28+2a^2=0

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


Simplifying
-1a2 + 11a + 28 + 2a2 = 0

Reorder the terms:
28 + 11a + -1a2 + 2a2 = 0

Combine like terms: -1a2 + 2a2 = 1a2
28 + 11a + 1a2 = 0

Solving
28 + 11a + 1a2 = 0

Solving for variable 'a'.

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

Subproblem 1

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

Subproblem 2

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

Solution

a = {-7, -4}

See similar equations:

| x^4+x^3-15x^2-16x-16=0 | | 9a+6c=675 | | 10n+56=5u | | 2(4x-2)=-3+51 | | 4x+18=7x+6 | | 6x+4-10x=-4(x-3) | | 665=g+478 | | 7bc-d=120 | | F(x)=4x^2-16x+9 | | 2y=18x | | Y-38=192 | | t-39=22 | | 13000=0.02x(1650-x) | | 8x-4x=12x-16 | | 8x^2-24x+80=0 | | 2b-1=5+3 | | 3m^7/m^-1 | | 1/2x-3=-8 | | Y+29=78 | | 362x=460 | | 4X^2-60=5X^2+19X | | x^3-x^2+x+7=0 | | 7bc-d=12 | | 15y^3-7y^2-2y=0 | | v=53+30 | | 12x3/4x2w | | K^2-8k+26=0 | | -5x+3(5x+2)=126 | | 8(6a+5b)-11(2b+8a)= | | 1/4x-:-4=-20 | | K^2-8k+19-7=0 | | -3x+3(-3x+5)=-81 |

Equations solver categories