7a2-5=-15

Simple and best practice solution for 7a2-5=-15 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 7a2-5=-15 equation: 



7a^2-5=-15

We move all terms to the left:

7a^2-5-(-15)=0

We add all the numbers together, and all the variables

7a^2+10=0

a = 7; b = 0; c = +10;
Δ = b2-4ac
Δ = 02-4·7·10
Δ = -280
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 9-2v2=-16 | | y+44=2(y) | | k^2-14k+40=0 | | N+8≤13/n=4 | | 7b2-4=-6 | | 2x–3–5x=13+2(2x–1) | | 5h-15/h=-5 | | p-28=2(p-36) | | 5.78=3.4+2n | | 5/(x-3)=7/(x-9) | | 10x-3+98+35=180 | | 2n2-7=-25 | | −16=x+7.95 | | p–28=2(p-36) | | 6-3x+2+x=-16 | | 3x2+4=-31 | | 46=−6x−8 | | y+29=2(y) | | 5.04=13b+5.04 | | 1/4x-16x=1/8+1/2x | | -3/4(x)=-27 | | 6a2=-84 | | 8x6= | | B+5/b+9=3/8 | | 2/3=3+x/3-x | | u=2(u-22) | | -1/5*k+1=11 | | v2+4=-6 | | m-(-2)=-12 | | 31=1n-3(n-7) | | -17x=-16x+2 | | -6x+5x=-4 |

Equations solver categories