7v^2+4=-6v

Simple and best practice solution for 7v^2+4=-6v 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 7v^2+4=-6v equation:


Simplifying
7v2 + 4 = -6v

Reorder the terms:
4 + 7v2 = -6v

Solving
4 + 7v2 = -6v

Solving for variable 'v'.

Reorder the terms:
4 + 6v + 7v2 = -6v + 6v

Combine like terms: -6v + 6v = 0
4 + 6v + 7v2 = 0

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

Divide each side by '7'.
0.5714285714 + 0.8571428571v + v2 = 0

Move the constant term to the right:

Add '-0.5714285714' to each side of the equation.
0.5714285714 + 0.8571428571v + -0.5714285714 + v2 = 0 + -0.5714285714

Reorder the terms:
0.5714285714 + -0.5714285714 + 0.8571428571v + v2 = 0 + -0.5714285714

Combine like terms: 0.5714285714 + -0.5714285714 = 0.0000000000
0.0000000000 + 0.8571428571v + v2 = 0 + -0.5714285714
0.8571428571v + v2 = 0 + -0.5714285714

Combine like terms: 0 + -0.5714285714 = -0.5714285714
0.8571428571v + v2 = -0.5714285714

The v term is 0.8571428571v.  Take half its coefficient (0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
0.8571428571v + 0.1836734694 + v2 = -0.5714285714 + 0.1836734694

Reorder the terms:
0.1836734694 + 0.8571428571v + v2 = -0.5714285714 + 0.1836734694

Combine like terms: -0.5714285714 + 0.1836734694 = -0.387755102
0.1836734694 + 0.8571428571v + v2 = -0.387755102

Factor a perfect square on the left side:
(v + 0.4285714286)(v + 0.4285714286) = -0.387755102

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2(3+3x)-2=10 | | 14x-49x= | | 5(I+7)-8k(k-8)= | | -12=-4x-6x-2 | | 2x+8y+2= | | V^2+4v-14=0 | | 7(5-2m)-m=32 | | 288-2m^4=0 | | 8y-8p+3y+7c= | | x-11=2x-4 | | 2r^2-3r-5=0 | | 2y-15=-1 | | 4a+3b=-3 | | 3n^2+20n=-9+8n | | -9+(-3)*(-5)= | | -7x-6+2x=24 | | 3(2+p)-4p=3 | | m+m+2+m+4=72 | | -7y+y+6=30 | | k-15=2k+4 | | (5c+4)(5c-4)=0 | | 175+40x=375 | | 8x+4=4(2x+1)-x+6 | | 9-10=7.5-7-3 | | 5(2y+6)-20= | | 3x+39=4x-1 | | -4x+3=-17 | | 2x+2(x-1)=-2 | | -7(n-5)+7(2-3n)= | | 3x+4x-2=5x-6+2 | | 69+x=180 | | 1x+3+1=6 |

Equations solver categories