a^2+17a+72=0

Simple and best practice solution for a^2+17a+72=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+17a+72=0 equation:


Simplifying
a2 + 17a + 72 = 0

Reorder the terms:
72 + 17a + a2 = 0

Solving
72 + 17a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(9 + a)(8 + a) = 0

Subproblem 1

Set the factor '(9 + a)' equal to zero and attempt to solve: Simplifying 9 + a = 0 Solving 9 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + a = 0 + -9 a = 0 + -9 Combine like terms: 0 + -9 = -9 a = -9 Simplifying a = -9

Subproblem 2

Set the factor '(8 + a)' equal to zero and attempt to solve: Simplifying 8 + a = 0 Solving 8 + a = 0 Move all terms containing a to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + a = 0 + -8 Combine like terms: 8 + -8 = 0 0 + a = 0 + -8 a = 0 + -8 Combine like terms: 0 + -8 = -8 a = -8 Simplifying a = -8

Solution

a = {-9, -8}

See similar equations:

| 5x+9=87 | | 13-3x^2=-14 | | 5-c=2c+3 | | 0-y=-6 | | (7x^4-6y)+5x^4= | | (8g^5+3h)+8g^5= | | 6-4x^3=114 | | .3x+4.6=.9x-.8 | | 2x+(-3)=-3 | | x^2+2-35=0 | | 15x+x=4.8 | | 36x^4+72x^3+20x^2= | | (9m^6-9n)+3m^6= | | logx(100)=-3 | | X/5-6=11 | | (x-3)(3x+5)=3x^2 | | -2(x-9)+8=26 | | (3g^3-3h)+(-4g^3)= | | logx+x=5 | | 24+8y=96 | | 19-6x=5-8x | | 2(2x+4)=9 | | 6x+6=106-8x | | 5x-4x=x+3 | | inx+x=5 | | -5y+11=-2(y+5) | | 3xy-73/65-3x | | 7+2x=23 | | 15=3h-3 | | x*6+94-76=31 | | 9-(4y-21)=1-5y | | 0.3-0.9ln(x+1)=0 |

Equations solver categories