8x^2+19x-35=0

Simple and best practice solution for 8x^2+19x-35=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+19x-35=0 equation:


Simplifying
8x2 + 19x + -35 = 0

Reorder the terms:
-35 + 19x + 8x2 = 0

Solving
-35 + 19x + 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'.
-4.375 + 2.375x + x2 = 0

Move the constant term to the right:

Add '4.375' to each side of the equation.
-4.375 + 2.375x + 4.375 + x2 = 0 + 4.375

Reorder the terms:
-4.375 + 4.375 + 2.375x + x2 = 0 + 4.375

Combine like terms: -4.375 + 4.375 = 0.000
0.000 + 2.375x + x2 = 0 + 4.375
2.375x + x2 = 0 + 4.375

Combine like terms: 0 + 4.375 = 4.375
2.375x + x2 = 4.375

The x term is 2.375x.  Take half its coefficient (1.1875).
Square it (1.41015625) and add it to both sides.

Add '1.41015625' to each side of the equation.
2.375x + 1.41015625 + x2 = 4.375 + 1.41015625

Reorder the terms:
1.41015625 + 2.375x + x2 = 4.375 + 1.41015625

Combine like terms: 4.375 + 1.41015625 = 5.78515625
1.41015625 + 2.375x + x2 = 5.78515625

Factor a perfect square on the left side:
(x + 1.1875)(x + 1.1875) = 5.78515625

Calculate the square root of the right side: 2.405235176

Break this problem into two subproblems by setting 
(x + 1.1875) equal to 2.405235176 and -2.405235176.

Subproblem 1

x + 1.1875 = 2.405235176 Simplifying x + 1.1875 = 2.405235176 Reorder the terms: 1.1875 + x = 2.405235176 Solving 1.1875 + x = 2.405235176 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.1875' to each side of the equation. 1.1875 + -1.1875 + x = 2.405235176 + -1.1875 Combine like terms: 1.1875 + -1.1875 = 0.0000 0.0000 + x = 2.405235176 + -1.1875 x = 2.405235176 + -1.1875 Combine like terms: 2.405235176 + -1.1875 = 1.217735176 x = 1.217735176 Simplifying x = 1.217735176

Subproblem 2

x + 1.1875 = -2.405235176 Simplifying x + 1.1875 = -2.405235176 Reorder the terms: 1.1875 + x = -2.405235176 Solving 1.1875 + x = -2.405235176 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.1875' to each side of the equation. 1.1875 + -1.1875 + x = -2.405235176 + -1.1875 Combine like terms: 1.1875 + -1.1875 = 0.0000 0.0000 + x = -2.405235176 + -1.1875 x = -2.405235176 + -1.1875 Combine like terms: -2.405235176 + -1.1875 = -3.592735176 x = -3.592735176 Simplifying x = -3.592735176

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.217735176, -3.592735176}

See similar equations:

| 360-(38x+2)=.5(16x+4) | | 96=x(20-2x)(10-2x) | | -4=n+4-4 | | 5x+6y=-28 | | 3x-5y+2-9=0 | | 4-4x+8=-8 | | 37x+5-23x-5=5x+17 | | 2.73-4.5(2.1x-5.1432)=6.32x+5 | | (37x+5)-(23x-5)=5x+17 | | 13x^4+12x^3-9x^2-84x+7=0 | | 12x+16-10x=5x | | 1+4b-6b=-5 | | x(9-x)+6x=-4 | | 8(9s^2-108s-14)=0 | | (37x+5)-(23x-5)=95x+17 | | 138=3(4-7v) | | 2/9x23/7 | | 3.3*10^-4/5.5*10^-11 | | 190-(13x-7)=5x-5 | | T^2-15T+3T-45=0 | | 16n^2-25=9 | | (5/9)6 | | 1/3r3-1/2 | | 5-2(x+5)=35 | | d-1/3=5/12 | | 190-13x-7=5x-5 | | f(x)=2x^2-32x+120 | | 4x+2(x-3)=8 | | 12-12x+3x^2=0 | | 3(8m+4)=8(6m-1)-5 | | $1.80=n/100×$30 | | (7-5x^2)=18 |

Equations solver categories