7=5x2+9

Simple and best practice solution for 7=5x2+9 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 7=5x2+9 equation: 



7=5x^2+9

We move all terms to the left:

7-(5x^2+9)=0

We get rid of parentheses

-5x^2-9+7=0

We add all the numbers together, and all the variables

-5x^2-2=0

a = -5; b = 0; c = -2;
Δ = b2-4ac
Δ = 02-4·(-5)·(-2)
Δ = -40
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 7x-1=15x+197 | | 17=w/2+15 | | 3(k-3)-6=6k-(5k-2) | | (3x-14)+(x+38)=180 | | u/3+15=25 | | 7x=236 | | 0-2(0-1-8n)-4n=94 | | 19=9+2(x-14) | | 140+5x=70 | | 4x-4+3x-52=180 | | 4x-4=3x-52 | | (2x-22)=(x+5) | | 3(2m+1)-7=50 | | 3(-7+5m)=72 | | 5x2-90=10+4x2 | | 5x+10=5+2x+5 | | (7/3x)=21 | | 4x-8x-16=-4x+7-16 | | 285+x=180 | | -8−6f=-5f | | 9(x+5)-5(6x-2)=16 | | 65°+90°+50°+80°+x=180 | | 4s+9=3s | | -14x-10=-15x-6 | | 6k+12=6(k=2) | | -4r+36=2r-8(r-6) | | 1/3y+2=1/7y | | 3c+1=c=1 | | -6(x-7)+8=-2(x+1) | | 17=6x-2x+5 | | (3x+8)=2(x+8) | | 4x+2=-3x-3 |

Equations solver categories