.25x^2+x+7=0

Simple and best practice solution for .25x^2+x+7=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 .25x^2+x+7=0 equation:


Simplifying
0.25x2 + x + 7 = 0

Reorder the terms:
7 + x + 0.25x2 = 0

Solving
7 + x + 0.25x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.25'.
28 + 4x + x2 = 0

Move the constant term to the right:

Add '-28' to each side of the equation.
28 + 4x + -28 + x2 = 0 + -28

Reorder the terms:
28 + -28 + 4x + x2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 4x + x2 = 0 + -28
4x + x2 = 0 + -28

Combine like terms: 0 + -28 = -28
4x + x2 = -28

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
4x + 0.25 + x2 = -28 + 0.25

Reorder the terms:
0.25 + 4x + x2 = -28 + 0.25

Combine like terms: -28 + 0.25 = -27.75
0.25 + 4x + x2 = -27.75

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = -27.75

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| Y+4=x^2-2x | | -4+3x=10 | | 5x+1=-(2x+13) | | Y-x^2=-20+8x | | 2a+1=6+11 | | Q=3P-4 | | 2x+34+3x= | | 2P=20-Q | | 9(4b-1)=2(b+3) | | x-42.041=23.24 | | 7x-3y=9 | | -4n+11=-4(n+6) | | 15a+2.75=6.20 | | Q=20-2P | | 12x+24+36x=90 | | -0.2x+y=12 | | 3+97-11=6 | | x=-49.5+5.5X | | 5(-6x+5)+3x=-3 | | 4q+2=48q | | 3+2y=-8 | | ydx+x(1-0.5xy)dy=0 | | -9x-4=-3(-2+3x) | | 16=2(x-6) | | ydx+x(1-xy)dy=0 | | 0+2y=-8 | | dx=xdy | | 3x^2+10x=77 | | 0.3(p-2)=5-0-6p | | 4Q^2+4Q+32=0 | | (X+2)=55 | | y*9=8 |

Equations solver categories