15x^2-44x+30=0

Simple and best practice solution for 15x^2-44x+30=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 15x^2-44x+30=0 equation:


Simplifying
15x2 + -44x + 30 = 0

Reorder the terms:
30 + -44x + 15x2 = 0

Solving
30 + -44x + 15x2 = 0

Solving for variable 'x'.

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

Divide each side by '15'.
2 + -2.933333333x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -2.933333333x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -2.933333333x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -2.933333333x + x2 = 0 + -2
-2.933333333x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-2.933333333x + x2 = -2

The x term is -2.933333333x.  Take half its coefficient (-1.466666667).
Square it (2.151111112) and add it to both sides.

Add '2.151111112' to each side of the equation.
-2.933333333x + 2.151111112 + x2 = -2 + 2.151111112

Reorder the terms:
2.151111112 + -2.933333333x + x2 = -2 + 2.151111112

Combine like terms: -2 + 2.151111112 = 0.151111112
2.151111112 + -2.933333333x + x2 = 0.151111112

Factor a perfect square on the left side:
(x + -1.466666667)(x + -1.466666667) = 0.151111112

Calculate the square root of the right side: 0.388730127

Break this problem into two subproblems by setting 
(x + -1.466666667) equal to 0.388730127 and -0.388730127.

Subproblem 1

x + -1.466666667 = 0.388730127 Simplifying x + -1.466666667 = 0.388730127 Reorder the terms: -1.466666667 + x = 0.388730127 Solving -1.466666667 + x = 0.388730127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.466666667' to each side of the equation. -1.466666667 + 1.466666667 + x = 0.388730127 + 1.466666667 Combine like terms: -1.466666667 + 1.466666667 = 0.000000000 0.000000000 + x = 0.388730127 + 1.466666667 x = 0.388730127 + 1.466666667 Combine like terms: 0.388730127 + 1.466666667 = 1.855396794 x = 1.855396794 Simplifying x = 1.855396794

Subproblem 2

x + -1.466666667 = -0.388730127 Simplifying x + -1.466666667 = -0.388730127 Reorder the terms: -1.466666667 + x = -0.388730127 Solving -1.466666667 + x = -0.388730127 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.466666667' to each side of the equation. -1.466666667 + 1.466666667 + x = -0.388730127 + 1.466666667 Combine like terms: -1.466666667 + 1.466666667 = 0.000000000 0.000000000 + x = -0.388730127 + 1.466666667 x = -0.388730127 + 1.466666667 Combine like terms: -0.388730127 + 1.466666667 = 1.07793654 x = 1.07793654 Simplifying x = 1.07793654

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.855396794, 1.07793654}

See similar equations:

| -4-16x-5+5x=13 | | (X)/4-5=3 | | 4/X-5=5 | | 4x^3-17x^2+18x=0 | | 49x-14-5n-5=-19 | | Sin35/x=sin35/x | | −8y^3/−2y | | 105-(6x+10)=6(x+5)+x | | 9-6y=39 | | 9-6y=39111 | | 1.75=x-40/6 | | y=4x^2-4x+8 | | 9-6y=391 | | 19/240-19/24 | | x+.07x=60 | | 1+20*4= | | f(x)=2ax+9cx | | 5x+2-5x-2=0 | | a=8c-b/c | | (5u+7)(2-u)=0 | | t(-4t+1)=1 | | (16m^6)/(4n^3) | | 5x+2=22-5x | | (k/3)-5=9 | | 12x-2=(36x)16 | | -1/2=4/5w-4/3 | | 7h+18=9h-6 | | 0.2(x-3)=0.4 | | 3r+4r=7r | | Log(5x-1)=3 | | (px-y)(py+x)=h^2p | | y/5-4=y/2 |

Equations solver categories