5x^2-55x+148=0

Simple and best practice solution for 5x^2-55x+148=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 5x^2-55x+148=0 equation:


Simplifying
5x2 + -55x + 148 = 0

Reorder the terms:
148 + -55x + 5x2 = 0

Solving
148 + -55x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
29.6 + -11x + x2 = 0

Move the constant term to the right:

Add '-29.6' to each side of the equation.
29.6 + -11x + -29.6 + x2 = 0 + -29.6

Reorder the terms:
29.6 + -29.6 + -11x + x2 = 0 + -29.6

Combine like terms: 29.6 + -29.6 = 0.0
0.0 + -11x + x2 = 0 + -29.6
-11x + x2 = 0 + -29.6

Combine like terms: 0 + -29.6 = -29.6
-11x + x2 = -29.6

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = -29.6 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -29.6 + 30.25

Combine like terms: -29.6 + 30.25 = 0.65
30.25 + -11x + x2 = 0.65

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 0.65

Calculate the square root of the right side: 0.806225775

Break this problem into two subproblems by setting 
(x + -5.5) equal to 0.806225775 and -0.806225775.

Subproblem 1

x + -5.5 = 0.806225775 Simplifying x + -5.5 = 0.806225775 Reorder the terms: -5.5 + x = 0.806225775 Solving -5.5 + x = 0.806225775 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 0.806225775 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 0.806225775 + 5.5 x = 0.806225775 + 5.5 Combine like terms: 0.806225775 + 5.5 = 6.306225775 x = 6.306225775 Simplifying x = 6.306225775

Subproblem 2

x + -5.5 = -0.806225775 Simplifying x + -5.5 = -0.806225775 Reorder the terms: -5.5 + x = -0.806225775 Solving -5.5 + x = -0.806225775 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -0.806225775 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -0.806225775 + 5.5 x = -0.806225775 + 5.5 Combine like terms: -0.806225775 + 5.5 = 4.693774225 x = 4.693774225 Simplifying x = 4.693774225

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.306225775, 4.693774225}

See similar equations:

| 204/5 | | -8-1/4m | | 4+y+6(y+5)=98-y | | n/-31 | | 3B+13=25 | | 6*y+11*y=85 | | 3x+5=-4(x+2)+x | | g(x)=x^2-8x+10 | | f(x)=4x^4-4x^3-3x^2+4x-1 | | 8-4n+1+7n= | | -42=-13m+m^2 | | 0=10n^2+71n | | 10p^2-70p=0 | | 2x+63x= | | x+19+x+19=3(x-11) | | 5n^2=-22n | | 12-3x=2x+14 | | p/4=-24 | | x+42=64 | | 10x+113=8x+5+7x-12 | | 3x+5x-20=3x*2 | | 21.63=(0.25*25)+(0.75x) | | (4x-1)+(2x+15)=8x+8 | | 30x^2-69x-15=0 | | 1.4(16+x)=36+x | | 4a^3=27 | | 5y-1=38 | | x--12=1/2 | | 4.2x-3=y | | -150+15= | | 15+-150x= | | a=1/2*2*19 |

Equations solver categories