0=-3x^2+14x+200

Simple and best practice solution for 0=-3x^2+14x+200 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=-3x^2+14x+200 equation:


Simplifying
0 = -3x2 + 14x + 200

Reorder the terms:
0 = 200 + 14x + -3x2

Solving
0 = 200 + 14x + -3x2

Solving for variable 'x'.

Combine like terms: 0 + -200 = -200
-200 + -14x + 3x2 = 200 + 14x + -3x2 + -200 + -14x + 3x2

Reorder the terms:
-200 + -14x + 3x2 = 200 + -200 + 14x + -14x + -3x2 + 3x2

Combine like terms: 200 + -200 = 0
-200 + -14x + 3x2 = 0 + 14x + -14x + -3x2 + 3x2
-200 + -14x + 3x2 = 14x + -14x + -3x2 + 3x2

Combine like terms: 14x + -14x = 0
-200 + -14x + 3x2 = 0 + -3x2 + 3x2
-200 + -14x + 3x2 = -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-200 + -14x + 3x2 = 0

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

Divide each side by '3'.
-66.66666667 + -4.666666667x + x2 = 0

Move the constant term to the right:

Add '66.66666667' to each side of the equation.
-66.66666667 + -4.666666667x + 66.66666667 + x2 = 0 + 66.66666667

Reorder the terms:
-66.66666667 + 66.66666667 + -4.666666667x + x2 = 0 + 66.66666667

Combine like terms: -66.66666667 + 66.66666667 = 0.00000000
0.00000000 + -4.666666667x + x2 = 0 + 66.66666667
-4.666666667x + x2 = 0 + 66.66666667

Combine like terms: 0 + 66.66666667 = 66.66666667
-4.666666667x + x2 = 66.66666667

The x term is -4.666666667x.  Take half its coefficient (-2.333333334).
Square it (5.444444448) and add it to both sides.

Add '5.444444448' to each side of the equation.
-4.666666667x + 5.444444448 + x2 = 66.66666667 + 5.444444448

Reorder the terms:
5.444444448 + -4.666666667x + x2 = 66.66666667 + 5.444444448

Combine like terms: 66.66666667 + 5.444444448 = 72.111111118
5.444444448 + -4.666666667x + x2 = 72.111111118

Factor a perfect square on the left side:
(x + -2.333333334)(x + -2.333333334) = 72.111111118

Calculate the square root of the right side: 8.491826136

Break this problem into two subproblems by setting 
(x + -2.333333334) equal to 8.491826136 and -8.491826136.

Subproblem 1

x + -2.333333334 = 8.491826136 Simplifying x + -2.333333334 = 8.491826136 Reorder the terms: -2.333333334 + x = 8.491826136 Solving -2.333333334 + x = 8.491826136 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = 8.491826136 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = 8.491826136 + 2.333333334 x = 8.491826136 + 2.333333334 Combine like terms: 8.491826136 + 2.333333334 = 10.82515947 x = 10.82515947 Simplifying x = 10.82515947

Subproblem 2

x + -2.333333334 = -8.491826136 Simplifying x + -2.333333334 = -8.491826136 Reorder the terms: -2.333333334 + x = -8.491826136 Solving -2.333333334 + x = -8.491826136 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.333333334' to each side of the equation. -2.333333334 + 2.333333334 + x = -8.491826136 + 2.333333334 Combine like terms: -2.333333334 + 2.333333334 = 0.000000000 0.000000000 + x = -8.491826136 + 2.333333334 x = -8.491826136 + 2.333333334 Combine like terms: -8.491826136 + 2.333333334 = -6.158492802 x = -6.158492802 Simplifying x = -6.158492802

Solution

The solution to the problem is based on the solutions from the subproblems. x = {10.82515947, -6.158492802}

See similar equations:

| 8(3x+4)+5(7x-8)+2x= | | (x+6)(3x-4)=0 | | y+5y-y= | | 45+0.30x=84 | | 9c-8c-c= | | -8+3x=-32+18x | | -0.005x^2+0.45x-7=0 | | 4[9-3b]=36 | | 7w-2w+3w= | | 3f-3=-27 | | 88=6x+2(3x+8) | | -3(5y-8)+2(2y+5)= | | 2x^2y+2xy+4x+4= | | log(x+2)+log(x-3)=log(4x) | | 58-3x=10-9x | | a^2+4a-96=0 | | 35x-5y=4.7 | | 460000=x+x(0.055) | | 3x+10=-22-5x | | 3(2a-8)=14a+6 | | -16x^2+586=0 | | 2.5+1.0x=7 | | -16x+586=0 | | ln(2x-1)=ln(x+3) | | 27+4=15c+40 | | 4m+8=36 | | -7x-5(-4x-9)=110 | | 5b^2-32b+12=0 | | 4x+2=2(x+7) | | 9y+1=7 | | 4e(x-3)=-8 | | 4x+3.50=44 |

Equations solver categories