0=0.25x^2+1.5x+7

Simple and best practice solution for 0=0.25x^2+1.5x+7 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 0=0.25x^2+1.5x+7 equation:


Simplifying
0 = 0.25x2 + 1.5x + 7

Reorder the terms:
0 = 7 + 1.5x + 0.25x2

Solving
0 = 7 + 1.5x + 0.25x2

Solving for variable 'x'.

Combine like terms: 0 + -7 = -7
-7 + -1.5x + -0.25x2 = 7 + 1.5x + 0.25x2 + -7 + -1.5x + -0.25x2

Reorder the terms:
-7 + -1.5x + -0.25x2 = 7 + -7 + 1.5x + -1.5x + 0.25x2 + -0.25x2

Combine like terms: 7 + -7 = 0
-7 + -1.5x + -0.25x2 = 0 + 1.5x + -1.5x + 0.25x2 + -0.25x2
-7 + -1.5x + -0.25x2 = 1.5x + -1.5x + 0.25x2 + -0.25x2

Combine like terms: 1.5x + -1.5x = 0.0
-7 + -1.5x + -0.25x2 = 0.0 + 0.25x2 + -0.25x2
-7 + -1.5x + -0.25x2 = 0.25x2 + -0.25x2

Combine like terms: 0.25x2 + -0.25x2 = 0.00
-7 + -1.5x + -0.25x2 = 0.00

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

Divide each side by '-0.25'.
28 + 6x + x2 = 0

Move the constant term to the right:

Add '-28' to each side of the equation.
28 + 6x + -28 + x2 = 0 + -28

Reorder the terms:
28 + -28 + 6x + x2 = 0 + -28

Combine like terms: 28 + -28 = 0
0 + 6x + x2 = 0 + -28
6x + x2 = 0 + -28

Combine like terms: 0 + -28 = -28
6x + x2 = -28

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -28 + 9

Reorder the terms:
9 + 6x + x2 = -28 + 9

Combine like terms: -28 + 9 = -19
9 + 6x + x2 = -19

Factor a perfect square on the left side:
(x + 3)(x + 3) = -19

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| x/(x+4)-4/(x-4)=(x^2+16)/(x^2-16) | | .18(x-2200)+800=.56(x-2200)-600 | | .18(x-2200)=.56x-600 | | (x-5)/(x+5)=(x+5)/(x+3) | | .18(x)+800=.56x-600 | | (z-2)/(z+2)=5/7 | | .18(x-2200)+800=.56x-600 | | (7y+4)-3=28 | | 2y^3+6y=1 | | (q+6)/2+(q-7)/7=13/2 | | (2/y)=(7/y)-(1/3) | | 25z^2+45z+14=0 | | -13x+13=-13x-13 | | (10x^2/5x^8)^3 | | (49/9)^(3/2) | | (49/9)^3/2 | | 70x=1000 | | 5.9r+2.1=17.5 | | -6x+4=2y | | 3/2t+5=26 | | 5d-8d=57 | | .1a+.33b=.15 | | 8/x=11/6 | | 28y=4x+7 | | -4+13=15x-5-14x | | 20h-1.50=117 | | x^2+y^2+40x+200=0 | | -4x^2+6y^2+29x+2y-90=0 | | -5x-5x=47-7 | | 9x+114=15x | | 28=4+7 | | 10(x-3)=45-5x |

Equations solver categories