-4=2x^2+5

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



-4=2x^2+5

We move all terms to the left:

-4-(2x^2+5)=0

We get rid of parentheses

-2x^2-5-4=0

We add all the numbers together, and all the variables

-2x^2-9=0

a = -2; b = 0; c = -9;
Δ = b2-4ac
Δ = 02-4·(-2)·(-9)
Δ = -72
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 4n+24=9n-16 | | 1.8y-4.5+3.6y+2.3=10.8 | | 2x+18-6x=2 | | (x+7)^2=-9 | | 2/3(x+6)-1/2(x-24)=16 | | 5p+26=72 | | 2x+18+6x=2 | | 6(7x+9)+14=47 | | 5x-3(2x+5)=13 | | 13(-2x+1)=6x-21 | | 7(M+5)=14+m | | 2/3x=823/24 | | 365=x−217 | | g-16=140 | | (z+7)^2=-9 | | (7x+46)=(6x+52) | | 2(3y-1)+7y=180 | | 4(3q-2)=40 | | 5x+3=57-4 | | -6x+11–4x=-5x–9 | | 5x–7=5x+2 | | 13s-15=24 | | 10/2=8/n | | 13s-15=14 | | 30=-2y+13y-19 | | 15x+-7=3+10x | | 2w+60=120 | | M7=m3 | | 3x+5(6+2x)=16 | | 15.18+0.08x=15.93-0.11x | | 2/4x+7=3 | | -x–5=4 |

Equations solver categories