-2v^2-v+15v^2+16=0

Simple and best practice solution for -2v^2-v+15v^2+16=0 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 -2v^2-v+15v^2+16=0 equation:


Simplifying
-2v2 + -1v + 15v2 + 16 = 0

Reorder the terms:
16 + -1v + -2v2 + 15v2 = 0

Combine like terms: -2v2 + 15v2 = 13v2
16 + -1v + 13v2 = 0

Solving
16 + -1v + 13v2 = 0

Solving for variable 'v'.

Begin completing the square.  Divide all terms by
13 the coefficient of the squared term: 

Divide each side by '13'.
1.230769231 + -0.07692307692v + v2 = 0

Move the constant term to the right:

Add '-1.230769231' to each side of the equation.
1.230769231 + -0.07692307692v + -1.230769231 + v2 = 0 + -1.230769231

Reorder the terms:
1.230769231 + -1.230769231 + -0.07692307692v + v2 = 0 + -1.230769231

Combine like terms: 1.230769231 + -1.230769231 = 0.000000000
0.000000000 + -0.07692307692v + v2 = 0 + -1.230769231
-0.07692307692v + v2 = 0 + -1.230769231

Combine like terms: 0 + -1.230769231 = -1.230769231
-0.07692307692v + v2 = -1.230769231

The v term is -0.07692307692v.  Take half its coefficient (-0.03846153846).
Square it (0.001479289941) and add it to both sides.

Add '0.001479289941' to each side of the equation.
-0.07692307692v + 0.001479289941 + v2 = -1.230769231 + 0.001479289941

Reorder the terms:
0.001479289941 + -0.07692307692v + v2 = -1.230769231 + 0.001479289941

Combine like terms: -1.230769231 + 0.001479289941 = -1.229289941059
0.001479289941 + -0.07692307692v + v2 = -1.229289941059

Factor a perfect square on the left side:
(v + -0.03846153846)(v + -0.03846153846) = -1.229289941059

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2k^2-16k=7 | | 4x^3y+8x^2+6x+5= | | 10(x+6)=-4(x-3) | | -4(8-3x)=-128 | | 21=-7/6*u | | 7g+(-89)=-33 | | 3x-7+11=5x+10 | | 11n+1=1 | | 3x-7+11=5+10 | | 5x-2(5+4x)=3+1x-8 | | 3x-2x=7x+x | | 4(7x+9)+7=28x+43 | | 2(7x-9)=x+9 | | 3y(5-11)y=3 | | 0.20(y-8)+0.06y=0.16y-0.01(60) | | 98=7(-4n+6) | | 3x^3y+5xz-4y+x-z+9= | | 2k^2=50 | | 5(5-f)=75 | | 4x+12=-6x-18 | | (z-3-2i)(z+8i)=(z+3i)(z+2) | | 6/7=x/84 | | 0.60x+0.30(80)=0.30(146) | | -(15-3s)-(9s+5)=28 | | 3[2(3x+2)-4(2x-5)]-2(3x+1)=4(x+1)-2(3x+5) | | 11x-12=9x+5 | | 24x+8=432 | | 34=-4j | | 2y-3+5y=9 | | 3x+3=5*2x+1 | | 2k^3+9k^2+23k=288 | | 7(t-3)+32t=9(t+1) |

Equations solver categories