X=7y^2+21

Simple and best practice solution for X=7y^2+21 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 X=7y^2+21 equation: 



X=7X^2+21

We move all terms to the left:

X-(7X^2+21)=0

We get rid of parentheses

-7X^2+X-21=0

a = -7; b = 1; c = -21;
Δ = b2-4ac
Δ = 12-4·(-7)·(-21)
Δ = -587
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 8.25t+6=14.5t=11 | | 2(5)^2x-1+3=16 | | (5x-30)= | | 6x^2-18x-18=24 | | 3.3x=19.8 | | 28/18=n/36 | | -6+8k+3=5 | | -9(k-98)=-9 | | 19c+31=26c+-74 | | 0.4v=1 | | -3(2x-3)+5=20 | | 5(4s+3)=235 | | x=44+20-180 | | (8x-19)+(5x+38)=180 | | 5x-7=13;x=-4 | | 96-10.2m=3 | | 12y-4=9-y | | x^2=-49 | | 12=10+m/3 | | .90(2x)=1 | | 9(m+2)=m+40 | | 130=5-8m | | 34f–2f=8 | | 96-10.2m=65.4 | | 4.65x-8.5=5.4x-6.1 | | 10^(x+7)=6^(2x) | | y+9=-20 | | -0.3k=-17 | | -2x-10=14-7 | | -9(x+11)+10x=-75 | | x^2-6x-10=13 | | B=4a+8 |

Equations solver categories