Q^2-9=-5

Simple and best practice solution for Q^2-9=-5 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 Q^2-9=-5 equation: 


Simplifying
Q2 + -9 = -5

Reorder the terms:
-9 + Q2 = -5

Solving
-9 + Q2 = -5

Solving for variable 'Q'.

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

Add '9' to each side of the equation.
-9 + 9 + Q2 = -5 + 9

Combine like terms: -9 + 9 = 0
0 + Q2 = -5 + 9
Q2 = -5 + 9

Combine like terms: -5 + 9 = 4
Q2 = 4

Simplifying
Q2 = 4

Take the square root of each side:
Q = {-2, 2}

See similar equations:

| 34x+56=37 | | 15+3x=6x-6 | | 12w+4= | | (10b+18b)2= | | -3-6(4x+6)= | | x^2+16x-96=0 | | X-(x*.025)=875 | | H=2ab/3 | | 5x+-3=6x+6 | | w-2w=24 | | 8w+45-17=-53 | | 875=X-(y*.025) | | Onefourth(x+2)-2=0.5 | | x^2+11x-105=0 | | -3-6(7+7)= | | y-1.6=0.75 | | -15x=(3x+7) | | 18k+30=39 | | p-14=4(2p+1) | | 8*100=x*24 | | 875=(x*.025) | | 9*100=y*24 | | f(x)=4x^2+4x-9 | | 3x^4+4x^3+2x^2-64x+40=0 | | -9=u/7 | | x+8=-x+6+3x | | 4c+49=c+52 | | -2-8x=8x+8 | | u/-8=-7 | | c=60n+2 | | 16x+50(8.333)=55 | | 10.50+0.75=13.50 |

Equations solver categories