3x^2+16=-5

Simple and best practice solution for 3x^2+16=-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 3x^2+16=-5 equation:


Simplifying
3x2 + 16 = -5

Reorder the terms:
16 + 3x2 = -5

Solving
16 + 3x2 = -5

Solving for variable 'x'.

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

Add '-16' to each side of the equation.
16 + -16 + 3x2 = -5 + -16

Combine like terms: 16 + -16 = 0
0 + 3x2 = -5 + -16
3x2 = -5 + -16

Combine like terms: -5 + -16 = -21
3x2 = -21

Divide each side by '3'.
x2 = -7

Simplifying
x2 = -7

Reorder the terms:
7 + x2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + x2 = 0

The solution to this equation could not be determined.

See similar equations:

| 2(65+5)= | | -1x^2+6x+30=0 | | -4n(2n-3)=0 | | 5u-10=u+48 | | 1-2x-5=4x+2 | | -6=6w | | 4n=-4 | | (-7)+(2)= | | (3n-5)(n-2)=0 | | ln(x+8)+ln(x-1)=2lnx | | -x^2+6x=-30 | | 16b^2-g^2= | | n(5n-8)=0 | | 2.5x^2-5x=10 | | 18=-3a | | -17v=-17 | | 12+d=21 | | 20=-4a | | 1/2-3x+5x=2 | | -22=-11u | | 25c^2+20cp+4p^2= | | 0=x^2-8x+17 | | 200w^2-160w+32= | | 30=-6u | | 40=-10s | | 4x-9=9x-34 | | 2a-36=16 | | t^2-15t+44=0 | | 30=10t | | b^2-16b+64= | | 15c-8c=20c-312 | | 2r^2=16r |

Equations solver categories