8x^2-99x+235=0

Simple and best practice solution for 8x^2-99x+235=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 8x^2-99x+235=0 equation:


Simplifying
8x2 + -99x + 235 = 0

Reorder the terms:
235 + -99x + 8x2 = 0

Solving
235 + -99x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
29.375 + -12.375x + x2 = 0

Move the constant term to the right:

Add '-29.375' to each side of the equation.
29.375 + -12.375x + -29.375 + x2 = 0 + -29.375

Reorder the terms:
29.375 + -29.375 + -12.375x + x2 = 0 + -29.375

Combine like terms: 29.375 + -29.375 = 0.000
0.000 + -12.375x + x2 = 0 + -29.375
-12.375x + x2 = 0 + -29.375

Combine like terms: 0 + -29.375 = -29.375
-12.375x + x2 = -29.375

The x term is -12.375x.  Take half its coefficient (-6.1875).
Square it (38.28515625) and add it to both sides.

Add '38.28515625' to each side of the equation.
-12.375x + 38.28515625 + x2 = -29.375 + 38.28515625

Reorder the terms:
38.28515625 + -12.375x + x2 = -29.375 + 38.28515625

Combine like terms: -29.375 + 38.28515625 = 8.91015625
38.28515625 + -12.375x + x2 = 8.91015625

Factor a perfect square on the left side:
(x + -6.1875)(x + -6.1875) = 8.91015625

Calculate the square root of the right side: 2.984988484

Break this problem into two subproblems by setting 
(x + -6.1875) equal to 2.984988484 and -2.984988484.

Subproblem 1

x + -6.1875 = 2.984988484 Simplifying x + -6.1875 = 2.984988484 Reorder the terms: -6.1875 + x = 2.984988484 Solving -6.1875 + x = 2.984988484 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.1875' to each side of the equation. -6.1875 + 6.1875 + x = 2.984988484 + 6.1875 Combine like terms: -6.1875 + 6.1875 = 0.0000 0.0000 + x = 2.984988484 + 6.1875 x = 2.984988484 + 6.1875 Combine like terms: 2.984988484 + 6.1875 = 9.172488484 x = 9.172488484 Simplifying x = 9.172488484

Subproblem 2

x + -6.1875 = -2.984988484 Simplifying x + -6.1875 = -2.984988484 Reorder the terms: -6.1875 + x = -2.984988484 Solving -6.1875 + x = -2.984988484 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.1875' to each side of the equation. -6.1875 + 6.1875 + x = -2.984988484 + 6.1875 Combine like terms: -6.1875 + 6.1875 = 0.0000 0.0000 + x = -2.984988484 + 6.1875 x = -2.984988484 + 6.1875 Combine like terms: -2.984988484 + 6.1875 = 3.202511516 x = 3.202511516 Simplifying x = 3.202511516

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.172488484, 3.202511516}

See similar equations:

| -17+19=-2(x+8) | | x^2-12=x-44 | | (9+9i)(4+i)=0 | | 5+x^2+16x=-10 | | -9=-8(1+6X)-1 | | 12h+3h-9h+h-11h+7h+16h= | | 7(3s+2)=287 | | 6*x=4*x+6 | | 6x^2+3-1=0 | | x^2+5x-54=2x | | 5x-4+w=76 | | 4+66x=44+28 | | -7x+x^2=30 | | 5(2l+7)=45 | | -5a+21+2a=7a-3a | | 16x-9=13x-15 | | 8p+5(p+3)=3(7p-1) | | x^2+220+32x= | | 4+66x=-24+28 | | 3(a-3)=63 | | 1000+x^2+65= | | -x+5x+6=8x+30 | | -280+x^2+-33x= | | 32+12x+x^2= | | 7o+9o+0=99 | | 13+5=-3(4x-6) | | x^2-45x+450= | | 2m*m+2m*3= | | 6x+999x+x+x+x+x=20000 | | 2(3x+7)=-19+27 | | 5b-1=8 | | 2(3x+7)=-9+27 |

Equations solver categories