15=-4x^2

Simple and best practice solution for 15=-4x^2 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 15=-4x^2 equation: 



15=-4x^2

We move all terms to the left:

15-(-4x^2)=0

We get rid of parentheses

4x^2+15=0

a = 4; b = 0; c = +15;
Δ = b2-4ac
Δ = 02-4·4·15
Δ = -240
Delta is less than zero, so there is no solution for the equation

See similar equations:

| X^+16x+-14=0 | | 3x=3+2 | | 9x-8+5x=28 | | 0+y=-11 | | 12/36=24/n | | 6=27/n=3 | | -122=5x-2 | | 6-7=5x-8x-10 | | 256=150-v | | V=(2x-30)(2x-20)(2x-60) | | 150-v=256 | | 7/50(y-3)+8/50y=9/50y-3/2 | | 260=150-v | | 3.4g+2=1.4g+12 | | 0+y=17 | | 17x+0=17 | | 0+8y=-1 | | 7x+0=-1 | | D=451t=5.5 | | 0=-1.16(k-6) | | 4=3(b+1)-5 | | 0+12y=9 | | -5c=-6(c+2) | | 15x+0=-12 | | 4x8/4x=6x-10/5x | | 3(q-5)+2=8 | | X/2x+4=10 | | 8(-6s-7)=8s-3(-9s-9) | | 7x-0=5 | | 2x=-x2-15 | | 1=2(d+2)-9 | | (58+x)+(37+3x)+x=180 |

Equations solver categories