2x^2+5=-3x

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


Simplifying
2x2 + 5 = -3x

Reorder the terms:
5 + 2x2 = -3x

Solving
5 + 2x2 = -3x

Solving for variable 'x'.

Reorder the terms:
5 + 3x + 2x2 = -3x + 3x

Combine like terms: -3x + 3x = 0
5 + 3x + 2x2 = 0

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

Divide each side by '2'.
2.5 + 1.5x + x2 = 0

Move the constant term to the right:

Add '-2.5' to each side of the equation.
2.5 + 1.5x + -2.5 + x2 = 0 + -2.5

Reorder the terms:
2.5 + -2.5 + 1.5x + x2 = 0 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 1.5x + x2 = 0 + -2.5
1.5x + x2 = 0 + -2.5

Combine like terms: 0 + -2.5 = -2.5
1.5x + x2 = -2.5

The x term is 1.5x.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5x + 0.5625 + x2 = -2.5 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = -2.5 + 0.5625

Combine like terms: -2.5 + 0.5625 = -1.9375
0.5625 + 1.5x + x2 = -1.9375

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = -1.9375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5(2x-1)-7x=19 | | 45=15t+1.75t^2 | | (x)(3.8)=9(4)-9(x) | | -4(2n-3)=12-8 | | -3x+(-24)=6 | | -48x+12=-52 | | 20=5(a-1) | | 2x-2(4x+2)=-16 | | f/2.4=-7.5 | | 86+f=128 | | 7y-4=z | | 5n+6-4n=-12 | | 6x+-15-6=-15 | | -216=9a | | 9(y+3)=8y-2 | | -3/7v=-27 | | s/4=-2.5 | | a-(5a+2)=2 | | 7x+9=x | | 2g+7=5g+4 | | 2k-4o=n | | 7x=10+x | | 2x-6(x-6)=10(2+x) | | m+(2m-3)=24 | | 18=3(4+p) | | -5/8k=25 | | -5m+27=10 | | -(5a+2)-(4a+1)=5-(3a+2) | | 3m=q+3u | | X-(-2.5)=5 | | (3.8)=9(4)-9 | | 5/6=a-2/4 |

Equations solver categories