9a^2-9=-140

Simple and best practice solution for 9a^2-9=-140 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 9a^2-9=-140 equation:


Simplifying
9a2 + -9 = -140

Reorder the terms:
-9 + 9a2 = -140

Solving
-9 + 9a2 = -140

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '9' to each side of the equation.
-9 + 9 + 9a2 = -140 + 9

Combine like terms: -9 + 9 = 0
0 + 9a2 = -140 + 9
9a2 = -140 + 9

Combine like terms: -140 + 9 = -131
9a2 = -131

Divide each side by '9'.
a2 = -14.55555556

Simplifying
a2 = -14.55555556

Reorder the terms:
14.55555556 + a2 = -14.55555556 + 14.55555556

Combine like terms: -14.55555556 + 14.55555556 = 0.00000000
14.55555556 + a2 = 0.00000000

The solution to this equation could not be determined.

See similar equations:

| 7x+2=4-10 | | 15+1.5h=13+2.75h | | 11m-2=80 | | 4x^2-9=-5 | | 7(x-7)+9=5(x-6) | | x(x+1)=10x-14 | | ln(5x+7)=3 | | v/4=12.5 | | 4(x-2)+x=ax-8 | | 17+2.5h=13+3.75h | | (x+1)*(x+4)=x^2+14 | | -12r+1=49 | | (x/3)-2=5x-2 | | 49v^2-5=11 | | 17+5.5h=11+6.75h | | 1/3(6x)4=180 | | 3c+5C=4 | | x+2x-6+9x+5=17 | | 25k^2=36 | | -65+n=5.9 | | 6n+12=6n-35 | | d-5=12 | | a=3/n | | t=1.35-22 | | 9x+3(x-1)=9+10x | | 12x+16-6x=-32-2x | | X+2x=67.5 | | 3(9-2x)=-27 | | (11-4)*x+13-8=29 | | -(n-6)-8=-(14n) | | -(1-5)+8=-17+2x | | 24(2x+7)=6(4x+32) |

Equations solver categories