8x^2+5=-4

Simple and best practice solution for 8x^2+5=-4 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 8x^2+5=-4 equation:


Simplifying
8x2 + 5 = -4

Reorder the terms:
5 + 8x2 = -4

Solving
5 + 8x2 = -4

Solving for variable 'x'.

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

Add '-5' to each side of the equation.
5 + -5 + 8x2 = -4 + -5

Combine like terms: 5 + -5 = 0
0 + 8x2 = -4 + -5
8x2 = -4 + -5

Combine like terms: -4 + -5 = -9
8x2 = -9

Divide each side by '8'.
x2 = -1.125

Simplifying
x2 = -1.125

Reorder the terms:
1.125 + x2 = -1.125 + 1.125

Combine like terms: -1.125 + 1.125 = 0.000
1.125 + x2 = 0.000

The solution to this equation could not be determined.

See similar equations:

| 2x-5=8-2 | | (1/3)x=-15 | | (4x^2-8x-2)(x^4+3x^2+4x)= | | 624.75=x+(x*.4) | | 4r+2+3=-2 | | 4+5t=64 | | ln(y-41)=3x | | 6(3x+2y)= | | -4y-5=-4y | | 41+6y-10=17y-14-2y | | 0.75-4z+1.25z-0.5+0.5z= | | 20+x-7+3x= | | 12(6x+2)=14(8x+20) | | 60x-24= | | 0.1=-22.4 | | 18=3(3x-2) | | 10=10log1/x | | (3x^3-9x+7)(x^2-2x+1)= | | h=3+5t-5t^2 | | 16x+16=4(4x+4) | | 16=w/-3-12= | | 1/2x^2=24 | | 19 = g2+ 16 | | 21-2x=-2x | | 5.50=19.72x | | 9x+8=3x+1 | | (3x^2+x-2)(-4x^2-2x-1)= | | -6=3(y-7) | | y[n]=x[n]+2x[n-2] | | 19x-12=3x+1 | | 4(2x+3+3x)= | | 2(4n+2)=20 |

Equations solver categories