3x^2-65x+150=0

Simple and best practice solution for 3x^2-65x+150=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 3x^2-65x+150=0 equation:


Simplifying
3x2 + -65x + 150 = 0

Reorder the terms:
150 + -65x + 3x2 = 0

Solving
150 + -65x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
50 + -21.66666667x + x2 = 0

Move the constant term to the right:

Add '-50' to each side of the equation.
50 + -21.66666667x + -50 + x2 = 0 + -50

Reorder the terms:
50 + -50 + -21.66666667x + x2 = 0 + -50

Combine like terms: 50 + -50 = 0
0 + -21.66666667x + x2 = 0 + -50
-21.66666667x + x2 = 0 + -50

Combine like terms: 0 + -50 = -50
-21.66666667x + x2 = -50

The x term is -21.66666667x.  Take half its coefficient (-10.83333334).
Square it (117.3611113) and add it to both sides.

Add '117.3611113' to each side of the equation.
-21.66666667x + 117.3611113 + x2 = -50 + 117.3611113

Reorder the terms:
117.3611113 + -21.66666667x + x2 = -50 + 117.3611113

Combine like terms: -50 + 117.3611113 = 67.3611113
117.3611113 + -21.66666667x + x2 = 67.3611113

Factor a perfect square on the left side:
(x + -10.83333334)(x + -10.83333334) = 67.3611113

Calculate the square root of the right side: 8.207381513

Break this problem into two subproblems by setting 
(x + -10.83333334) equal to 8.207381513 and -8.207381513.

Subproblem 1

x + -10.83333334 = 8.207381513 Simplifying x + -10.83333334 = 8.207381513 Reorder the terms: -10.83333334 + x = 8.207381513 Solving -10.83333334 + x = 8.207381513 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10.83333334' to each side of the equation. -10.83333334 + 10.83333334 + x = 8.207381513 + 10.83333334 Combine like terms: -10.83333334 + 10.83333334 = 0.00000000 0.00000000 + x = 8.207381513 + 10.83333334 x = 8.207381513 + 10.83333334 Combine like terms: 8.207381513 + 10.83333334 = 19.040714853 x = 19.040714853 Simplifying x = 19.040714853

Subproblem 2

x + -10.83333334 = -8.207381513 Simplifying x + -10.83333334 = -8.207381513 Reorder the terms: -10.83333334 + x = -8.207381513 Solving -10.83333334 + x = -8.207381513 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '10.83333334' to each side of the equation. -10.83333334 + 10.83333334 + x = -8.207381513 + 10.83333334 Combine like terms: -10.83333334 + 10.83333334 = 0.00000000 0.00000000 + x = -8.207381513 + 10.83333334 x = -8.207381513 + 10.83333334 Combine like terms: -8.207381513 + 10.83333334 = 2.625951827 x = 2.625951827 Simplifying x = 2.625951827

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.040714853, 2.625951827}

See similar equations:

| -7(2b+2)+(15b-7)=0 | | m+13=21 | | 2(3x+18)=9x-18 | | (r1/5*s1/5)^2 | | r-7/2=1 | | 6/7/3 | | x-6=9.86 | | -8y=6.48 | | 30/18 | | (b^7)2/7 | | 28/90 | | -2m=10 | | v-3v+8v-3v-2v= | | -2x=-1(-15) | | 4y-8=12 | | 7-x=6.5 | | s=3m+3u | | A=(432/6) | | 0,75x=-2 | | -1+22=m-7 | | (19b-8)-9(2b+3)=-2 | | 2z=17-35 | | 16x+84=11x+6 | | -3x-3x=10-2 | | 8x+4x+2+5=4x+3+7x | | 6x+10=6x-10 | | -8-5=3x+4-2x | | 3x-6x=6 | | x=-39+-9y | | 8y=7(y+9) | | 2ln(x-3)=ln(10x) | | 2x/3-x=x/15-4/5 |

Equations solver categories