.25x^2-3x+8=0

Simple and best practice solution for .25x^2-3x+8=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^2-3x+8=0 equation:


Simplifying
0.25x2 + -3x + 8 = 0

Reorder the terms:
8 + -3x + 0.25x2 = 0

Solving
8 + -3x + 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'.
32 + -12x + x2 = 0

Move the constant term to the right:

Add '-32' to each side of the equation.
32 + -12x + -32 + x2 = 0 + -32

Reorder the terms:
32 + -32 + -12x + x2 = 0 + -32

Combine like terms: 32 + -32 = 0
0 + -12x + x2 = 0 + -32
-12x + x2 = 0 + -32

Combine like terms: 0 + -32 = -32
-12x + x2 = -32

The x term is -12x.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12x + 36 + x2 = -32 + 36

Reorder the terms:
36 + -12x + x2 = -32 + 36

Combine like terms: -32 + 36 = 4
36 + -12x + x2 = 4

Factor a perfect square on the left side:
(x + -6)(x + -6) = 4

Calculate the square root of the right side: 2

Break this problem into two subproblems by setting 
(x + -6) equal to 2 and -2.

Subproblem 1

x + -6 = 2 Simplifying x + -6 = 2 Reorder the terms: -6 + x = 2 Solving -6 + x = 2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = 2 + 6 Combine like terms: -6 + 6 = 0 0 + x = 2 + 6 x = 2 + 6 Combine like terms: 2 + 6 = 8 x = 8 Simplifying x = 8

Subproblem 2

x + -6 = -2 Simplifying x + -6 = -2 Reorder the terms: -6 + x = -2 Solving -6 + x = -2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + x = -2 + 6 Combine like terms: -6 + 6 = 0 0 + x = -2 + 6 x = -2 + 6 Combine like terms: -2 + 6 = 4 x = 4 Simplifying x = 4

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8, 4}

See similar equations:

| X-7x+3=0 | | 2=4(x-5)+2-3x | | g^2+37g=0 | | 25x-20x+2=0 | | 2w-5=7 | | 12a-4(5a*-1)=2(3a+6)-4a | | 4x-12x+7=0 | | 18x-30x-1=0 | | x^2-2(k-1)x+k^2=0 | | 4-(2x-1)-2(2x-1)=x+4 | | d+7a-7=9 | | 5k^2-13k+6=0 | | 4x^2-20x-6=0 | | 2(x+5)=6-2x | | 15x^3(y+4)+15x^2(y+4)-10x(y+4)= | | -32x-4y+32=0fory | | y+24=y-12 | | -32x-4y+32=0 | | f(a)=4x^2+7x+5 | | 0=-16t^2-64t+5 | | -5x(-2)= | | 3(2x+1)+8=7-2(4x+1) | | Y=16t^2-64t+5 | | x=Ine^3 | | 15x+20y=0 | | 9x(9-y)=0 | | 11-4(x-5)=4(5-x)+12 | | x^3-12x^2+39x-21=0 | | 2x+3+x-7-4x= | | z+5-5z=1 | | x*3-3=0 | | 9-(1+8)(x)=1 |

Equations solver categories