5=-4x^2-3x

Simple and best practice solution for 5=-4x^2-3x 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 5=-4x^2-3x equation:


Simplifying
5 = -4x2 + -3x

Reorder the terms:
5 = -3x + -4x2

Solving
5 = -3x + -4x2

Solving for variable 'x'.

Reorder the terms:
5 + 3x + 4x2 = -3x + 3x + -4x2 + 4x2

Combine like terms: -3x + 3x = 0
5 + 3x + 4x2 = 0 + -4x2 + 4x2
5 + 3x + 4x2 = -4x2 + 4x2

Combine like terms: -4x2 + 4x2 = 0
5 + 3x + 4x2 = 0

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

Divide each side by '4'.
1.25 + 0.75x + x2 = 0

Move the constant term to the right:

Add '-1.25' to each side of the equation.
1.25 + 0.75x + -1.25 + x2 = 0 + -1.25

Reorder the terms:
1.25 + -1.25 + 0.75x + x2 = 0 + -1.25

Combine like terms: 1.25 + -1.25 = 0.00
0.00 + 0.75x + x2 = 0 + -1.25
0.75x + x2 = 0 + -1.25

Combine like terms: 0 + -1.25 = -1.25
0.75x + x2 = -1.25

The x term is 0.75x.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75x + 0.140625 + x2 = -1.25 + 0.140625

Reorder the terms:
0.140625 + 0.75x + x2 = -1.25 + 0.140625

Combine like terms: -1.25 + 0.140625 = -1.109375
0.140625 + 0.75x + x2 = -1.109375

Factor a perfect square on the left side:
(x + 0.375)(x + 0.375) = -1.109375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2w-5/6=w+15 | | 7-3x^3+6x= | | x^2+6*32=52009 | | -12x-33=6 | | x^2+y*32=650 | | -0.5x-23=0.75-7x-1 | | -12-(-18)/6 | | x^2+6*32=52 | | 297/5724 | | h(t)=-16t^2+256 | | x^2+y*32=52 | | h(t)=-16t+256 | | 2v^2+2v=23 | | 2970000/57240000 | | 3z+14z+15=0 | | In(2x+1)-Inx=In(x+2) | | 4(w+9)=2w+32 | | 1/8D-3(D-7)=41/8D-3 | | 3y^2/y+12y/y-21/y | | d=r/t | | (n+2)(n+2)=-2n | | -8y=-66 | | 12x^2-9x-9=0 | | y=4/(9X-45) | | 8x+13y=-8 | | 5s+36/s | | M^2=24+2m | | 8x-5y=-5 | | (P+11)+(3P-20)+P=691 | | -4x+6y=-8 | | 0=-3x-15 | | 20=(x+1)+(x+1)+x |

Equations solver categories