2x^2+5x+10=

Simple and best practice solution for 2x^2+5x+10= 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+5x+10= equation:


Simplifying
2x2 + 5x + 10 = 0

Reorder the terms:
10 + 5x + 2x2 = 0

Solving
10 + 5x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
5 + 2.5x + x2 = 0

Move the constant term to the right:

Add '-5' to each side of the equation.
5 + 2.5x + -5 + x2 = 0 + -5

Reorder the terms:
5 + -5 + 2.5x + x2 = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 2.5x + x2 = 0 + -5
2.5x + x2 = 0 + -5

Combine like terms: 0 + -5 = -5
2.5x + x2 = -5

The x term is 2.5x.  Take half its coefficient (1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
2.5x + 1.5625 + x2 = -5 + 1.5625

Reorder the terms:
1.5625 + 2.5x + x2 = -5 + 1.5625

Combine like terms: -5 + 1.5625 = -3.4375
1.5625 + 2.5x + x2 = -3.4375

Factor a perfect square on the left side:
(x + 1.25)(x + 1.25) = -3.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| a-24=11 | | 15-11=2(x-1) | | 8b^2-9=791 | | -x^2+2x+34=0 | | 3(w+5)=18 | | -9+4-(-27)-14= | | 23+3x=5 | | ((x-1)/(x))-(20) | | 2n-126=396 | | Y=x^2+29x+210 | | X/6-2=34 | | 2logx=log | | X^2-5=136 | | .5x+8=2x-16 | | Y=30x^3-6x^2+12x | | -5+2x=-4x+14 | | b+9b+13= | | 6x^5+200=8 | | -(x-7)(x+5)-1=0 | | X+17+4x=-12-4x-16 | | -7(5x+2)=-294 | | 1/3(9x-6)-8^2=5 | | 4+7+5x= | | r=24 | | 0.6x+18.2=x-3.2 | | n-21=12 | | 66r^2h+57rh+12h= | | 8y(y)=72 | | 13600=x+(x*.45) | | 600x-0.54=100x+0.21 | | 3.5x-15=2.4x+7 | | 9x-7w+3x+6y+3y+4w= |

Equations solver categories