-0.625x^2+5x=9.6

Simple and best practice solution for -0.625x^2+5x=9.6 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 -0.625x^2+5x=9.6 equation:


Simplifying
-0.625x2 + 5x = 9.6

Reorder the terms:
5x + -0.625x2 = 9.6

Solving
5x + -0.625x2 = 9.6

Solving for variable 'x'.

Reorder the terms:
-9.6 + 5x + -0.625x2 = 9.6 + -9.6

Combine like terms: 9.6 + -9.6 = 0.0
-9.6 + 5x + -0.625x2 = 0.0

Begin completing the square.  Divide all terms by
-0.625 the coefficient of the squared term: 

Divide each side by '-0.625'.
15.36 + -8x + x2 = 0

Move the constant term to the right:

Add '-15.36' to each side of the equation.
15.36 + -8x + -15.36 + x2 = 0 + -15.36

Reorder the terms:
15.36 + -15.36 + -8x + x2 = 0 + -15.36

Combine like terms: 15.36 + -15.36 = 0.00
0.00 + -8x + x2 = 0 + -15.36
-8x + x2 = 0 + -15.36

Combine like terms: 0 + -15.36 = -15.36
-8x + x2 = -15.36

The x term is -8x.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8x + 16 + x2 = -15.36 + 16

Reorder the terms:
16 + -8x + x2 = -15.36 + 16

Combine like terms: -15.36 + 16 = 0.64
16 + -8x + x2 = 0.64

Factor a perfect square on the left side:
(x + -4)(x + -4) = 0.64

Calculate the square root of the right side: 0.8

Break this problem into two subproblems by setting 
(x + -4) equal to 0.8 and -0.8.

Subproblem 1

x + -4 = 0.8 Simplifying x + -4 = 0.8 Reorder the terms: -4 + x = 0.8 Solving -4 + x = 0.8 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = 0.8 + 4 Combine like terms: -4 + 4 = 0 0 + x = 0.8 + 4 x = 0.8 + 4 Combine like terms: 0.8 + 4 = 4.8 x = 4.8 Simplifying x = 4.8

Subproblem 2

x + -4 = -0.8 Simplifying x + -4 = -0.8 Reorder the terms: -4 + x = -0.8 Solving -4 + x = -0.8 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + x = -0.8 + 4 Combine like terms: -4 + 4 = 0 0 + x = -0.8 + 4 x = -0.8 + 4 Combine like terms: -0.8 + 4 = 3.2 x = 3.2 Simplifying x = 3.2

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.8, 3.2}

See similar equations:

| 6x^2-11x+6= | | 56x-3+x=4 | | 6x+h=29 | | x+5/14=2/18 | | 3x-(12x-7)= | | 1z-45+7767=2xy | | 1=x-36 | | (3x+4y)=5z | | (3x-14)+(x-6)+x=180 | | (x+3)y=y | | 4x+5x+12=102 | | (4x+32)=180whatis | | Xy+x+x= | | x^5+9x^3+8x=0 | | 4x-2(3-2x)=26 | | (3x+32)=180whatisx | | 4x^3-24x^2+48x-24= | | 48-(-26)-15+8= | | x+.13x=150 | | M+5n=3 | | 6-(x-3)=7(x-2)-1 | | (2x+11)=6x+33 | | 6=2(x-4) | | -7-8-2w= | | 11*x+10*y=160 | | 3-2x-1+x-1=24 | | (-3)x(-3)=121 | | 3xy-q=6z | | -6(4x+1)+7x+9(x-s)=4 | | 15c^2-12c=0 | | 7(x-1)-7=-4(x-1)+7 | | 5(x-3)=2x+15 |

Equations solver categories