-3.5x^2+364x-965=5135.5

Simple and best practice solution for -3.5x^2+364x-965=5135.5 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 -3.5x^2+364x-965=5135.5 equation:


Simplifying
-3.5x2 + 364x + -965 = 5135.5

Reorder the terms:
-965 + 364x + -3.5x2 = 5135.5

Solving
-965 + 364x + -3.5x2 = 5135.5

Solving for variable 'x'.

Reorder the terms:
-965 + -5135.5 + 364x + -3.5x2 = 5135.5 + -5135.5

Combine like terms: -965 + -5135.5 = -6100.5
-6100.5 + 364x + -3.5x2 = 5135.5 + -5135.5

Combine like terms: 5135.5 + -5135.5 = 0.0
-6100.5 + 364x + -3.5x2 = 0.0

Begin completing the square.  Divide all terms by
-3.5 the coefficient of the squared term: 

Divide each side by '-3.5'.
1743 + -104x + x2 = 0

Move the constant term to the right:

Add '-1743' to each side of the equation.
1743 + -104x + -1743 + x2 = 0 + -1743

Reorder the terms:
1743 + -1743 + -104x + x2 = 0 + -1743

Combine like terms: 1743 + -1743 = 0
0 + -104x + x2 = 0 + -1743
-104x + x2 = 0 + -1743

Combine like terms: 0 + -1743 = -1743
-104x + x2 = -1743

The x term is -104x.  Take half its coefficient (-52).
Square it (2704) and add it to both sides.

Add '2704' to each side of the equation.
-104x + 2704 + x2 = -1743 + 2704

Reorder the terms:
2704 + -104x + x2 = -1743 + 2704

Combine like terms: -1743 + 2704 = 961
2704 + -104x + x2 = 961

Factor a perfect square on the left side:
(x + -52)(x + -52) = 961

Calculate the square root of the right side: 31

Break this problem into two subproblems by setting 
(x + -52) equal to 31 and -31.

Subproblem 1

x + -52 = 31 Simplifying x + -52 = 31 Reorder the terms: -52 + x = 31 Solving -52 + x = 31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '52' to each side of the equation. -52 + 52 + x = 31 + 52 Combine like terms: -52 + 52 = 0 0 + x = 31 + 52 x = 31 + 52 Combine like terms: 31 + 52 = 83 x = 83 Simplifying x = 83

Subproblem 2

x + -52 = -31 Simplifying x + -52 = -31 Reorder the terms: -52 + x = -31 Solving -52 + x = -31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '52' to each side of the equation. -52 + 52 + x = -31 + 52 Combine like terms: -52 + 52 = 0 0 + x = -31 + 52 x = -31 + 52 Combine like terms: -31 + 52 = 21 x = 21 Simplifying x = 21

Solution

The solution to the problem is based on the solutions from the subproblems. x = {83, 21}

See similar equations:

| 2-3t=-4 | | -37=3x+11-8x | | 4A+6=18 | | 46+y=60 | | 6-2=2 | | x-4=-3x+36 | | 5-2=2 | | 5x+6=40 | | 99-6x=21+15 | | 3(3x-2)=48 | | 3t/8-9=13+y/8 | | -3(m+4)-3=-3(-2m+5) | | 2+2t=6 | | 166-5x=5x+60 | | 2.5w+w=3.5 | | 4+m/7=10+20 | | 2.5w+w=7.5 | | 2x^2+15=63 | | 2(12+3n)=12n | | 6x+1-3x=-2 | | -3(2+v)=6(v-4) | | h=-16t^2+12t+5 | | -12=-3k-3k | | 6(x-2)-16=3(2y-5)+11 | | 3(2y+7)=15(y-4) | | 3z^2+7=82 | | 3(2y+7)=15(-4) | | -6x+3x=0 | | -6/5-3/5=-4/5u-2/5u | | 5y-2=y+18 | | x-1-6+6x=-4(x-7)+6(3x-7) | | 2x^3+13x^2-36=0 |

Equations solver categories