2x2+9=7

Simple and best practice solution for 2x2+9=7 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 2x2+9=7 equation:



2x^2+9=7
We move all terms to the left:
2x^2+9-(7)=0
We add all the numbers together, and all the variables
2x^2+2=0
a = 2; b = 0; c = +2;
Δ = b2-4ac
Δ = 02-4·2·2
Δ = -16
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 6m-4=-12 | | 44/r=-11 | | x/12-2=15 | | 5+8p=45 | | -2(6+5x)=-12-8x | | 9z-9=-15-3z | | -2.2+u/7=-13.4 | | 4x+4+7x=46+4x | | 8(4+x)-6=4x+38 | | 2(3-5x)=-24 | | 7x-3=-6+23 | | Y=3.3x+5.1 | | x/3+3/7=2/3* | | 4k-4=20-2k | | 3x+4x+13=4x-2+6 | | 2x^2+30x+135=0 | | (3-5x)=-24 | | 6/7(3^3x-1)+27^x/21=1 | | 3/5-2x=1/5 | | 7x-3+2x+x+13=360 | | 6y+39(5-y)=0 | | b-2÷5=1+b÷4 | | p−3/5=3 | | 11-2(y-4)=5(y+1) | | 7k+3=6k=15k+3=15 | | 7k+3=6k=15 | | 8-5n/2=-2 | | 4m+13=3m+15 | | 15x-6=3x+18 | | 2x+2x=198 | | a*3=215 | | 16.1=7x |

Equations solver categories