0.5x^2-3x=5

Simple and best practice solution for 0.5x^2-3x=5 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 0.5x^2-3x=5 equation:


Simplifying
0.5x2 + -3x = 5

Reorder the terms:
-3x + 0.5x2 = 5

Solving
-3x + 0.5x2 = 5

Solving for variable 'x'.

Reorder the terms:
-5 + -3x + 0.5x2 = 5 + -5

Combine like terms: 5 + -5 = 0
-5 + -3x + 0.5x2 = 0

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

Divide each side by '0.5'.
-10 + -6x + x2 = 0

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -6x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + -6x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -6x + x2 = 0 + 10
-6x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
-6x + x2 = 10

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 = 10 + 9

Reorder the terms:
9 + -6x + x2 = 10 + 9

Combine like terms: 10 + 9 = 19
9 + -6x + x2 = 19

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

Calculate the square root of the right side: 4.358898944

Break this problem into two subproblems by setting 
(x + -3) equal to 4.358898944 and -4.358898944.

Subproblem 1

x + -3 = 4.358898944 Simplifying x + -3 = 4.358898944 Reorder the terms: -3 + x = 4.358898944 Solving -3 + x = 4.358898944 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 4.358898944 + 3 Combine like terms: -3 + 3 = 0 0 + x = 4.358898944 + 3 x = 4.358898944 + 3 Combine like terms: 4.358898944 + 3 = 7.358898944 x = 7.358898944 Simplifying x = 7.358898944

Subproblem 2

x + -3 = -4.358898944 Simplifying x + -3 = -4.358898944 Reorder the terms: -3 + x = -4.358898944 Solving -3 + x = -4.358898944 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -4.358898944 + 3 Combine like terms: -3 + 3 = 0 0 + x = -4.358898944 + 3 x = -4.358898944 + 3 Combine like terms: -4.358898944 + 3 = -1.358898944 x = -1.358898944 Simplifying x = -1.358898944

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.358898944, -1.358898944}

See similar equations:

| 10x-2(1x+4)=8(1x-2)+6 | | 0.4(8x+32)=3.29(x+4) | | .25x-.6=.41 | | 0.2(9x+45)=1.8(x+5) | | 6-7b+b=-7b+3 | | (2)(4)-(6-4)/-3 | | 6(x-8)=4x-36 | | r/-6-5=28 | | 2.5x+5=180 | | 13+4x=25+12x | | 2y+6x-4=2y-8 | | 10x+25=75 | | 24rt^2/-8t | | -8=2x+35 | | -8(x+12)=24 | | 1/4x-2/3=5/12 | | x^2=(16)(12) | | 6=0(0+b) | | -3v=-4-5v | | c/2-41=59 | | |(2x-6)/(7)|=(3)/(14) | | 7x^2+56x=84 | | -9-q=q+9 | | x^2=(14)(8) | | 18x=70+7x+29 | | 3/4x-14=28 | | 9b-7=-7 | | -3/8*-11=4 | | 45=2v+13 | | a/7-11=-34 | | -11+5x=3x+1 | | 30/78 |

Equations solver categories