a+72-a^2=0

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


Simplifying
a + 72 + -1a2 = 0

Reorder the terms:
72 + a + -1a2 = 0

Solving
72 + a + -1a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(9 + -1a)(8 + a) = 0

Subproblem 1

Set the factor '(9 + -1a)' equal to zero and attempt to solve: Simplifying 9 + -1a = 0 Solving 9 + -1a = 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 + -1a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -1a = 0 + -9 -1a = 0 + -9 Combine like terms: 0 + -9 = -9 -1a = -9 Divide each side by '-1'. 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:

| -67=-(4-6n)+3n | | x(2x-2)+x(5x-2)=(7x+5)(x-2) | | 2(x+4)2-18=54 | | 3=-3x+1 | | 9x^2=3-5x | | 4x-23=3x-8 | | 32-(-72)=72-(-32) | | -[3z-(10z+10)]=10+(6z+5) | | -8+62x=3(5x-4)+4 | | 4f+13x=9y | | 6s+8y=310 | | 40009f+13x=9y | | -48(n+25)=8(n+67) | | a^8-a^7+a-1= | | -5(t+1)-t-8=6(t+5)+78 | | 18s+24f=930 | | -5(t+1)-t-8=6(t+5)+31 | | -57(x+71)=-33(x+15) | | 6x+24y=930 | | 2(5p-8)-16= | | 5y+7=-2x | | 75(x-33)=-25(12-32x) | | 5y+7=2x | | 6(2x+6)=12x+36 | | 3(9x-6)+10x= | | 5x+2x-18=97 | | 42xY=6 | | -5(t+1)-t-8=6(t+5)+17 | | 3z+7s=15 | | -65(b-10)-55(b-16)=-13b-73b | | 5(x+2)-9=3x+2(-1+x) | | -7p-3(2-5p)=4(p-2)-34 |

Equations solver categories