-16x^2+5.8x+1.5=0

Simple and best practice solution for -16x^2+5.8x+1.5=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 -16x^2+5.8x+1.5=0 equation:


Simplifying
-16x2 + 5.8x + 1.5 = 0

Reorder the terms:
1.5 + 5.8x + -16x2 = 0

Solving
1.5 + 5.8x + -16x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-16 the coefficient of the squared term: 

Divide each side by '-16'.
-0.09375 + -0.3625x + x2 = 0

Move the constant term to the right:

Add '0.09375' to each side of the equation.
-0.09375 + -0.3625x + 0.09375 + x2 = 0 + 0.09375

Reorder the terms:
-0.09375 + 0.09375 + -0.3625x + x2 = 0 + 0.09375

Combine like terms: -0.09375 + 0.09375 = 0.00000
0.00000 + -0.3625x + x2 = 0 + 0.09375
-0.3625x + x2 = 0 + 0.09375

Combine like terms: 0 + 0.09375 = 0.09375
-0.3625x + x2 = 0.09375

The x term is -0.3625x.  Take half its coefficient (-0.18125).
Square it (0.0328515625) and add it to both sides.

Add '0.0328515625' to each side of the equation.
-0.3625x + 0.0328515625 + x2 = 0.09375 + 0.0328515625

Reorder the terms:
0.0328515625 + -0.3625x + x2 = 0.09375 + 0.0328515625

Combine like terms: 0.09375 + 0.0328515625 = 0.1266015625
0.0328515625 + -0.3625x + x2 = 0.1266015625

Factor a perfect square on the left side:
(x + -0.18125)(x + -0.18125) = 0.1266015625

Calculate the square root of the right side: 0.355811133

Break this problem into two subproblems by setting 
(x + -0.18125) equal to 0.355811133 and -0.355811133.

Subproblem 1

x + -0.18125 = 0.355811133 Simplifying x + -0.18125 = 0.355811133 Reorder the terms: -0.18125 + x = 0.355811133 Solving -0.18125 + x = 0.355811133 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.18125' to each side of the equation. -0.18125 + 0.18125 + x = 0.355811133 + 0.18125 Combine like terms: -0.18125 + 0.18125 = 0.00000 0.00000 + x = 0.355811133 + 0.18125 x = 0.355811133 + 0.18125 Combine like terms: 0.355811133 + 0.18125 = 0.537061133 x = 0.537061133 Simplifying x = 0.537061133

Subproblem 2

x + -0.18125 = -0.355811133 Simplifying x + -0.18125 = -0.355811133 Reorder the terms: -0.18125 + x = -0.355811133 Solving -0.18125 + x = -0.355811133 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.18125' to each side of the equation. -0.18125 + 0.18125 + x = -0.355811133 + 0.18125 Combine like terms: -0.18125 + 0.18125 = 0.00000 0.00000 + x = -0.355811133 + 0.18125 x = -0.355811133 + 0.18125 Combine like terms: -0.355811133 + 0.18125 = -0.174561133 x = -0.174561133 Simplifying x = -0.174561133

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.537061133, -0.174561133}

See similar equations:

| 2x^2-4x+53=0 | | 2(f-3)=-10 | | 10(s-9)=-136 | | 3=12x+51 | | -6s-18=36 | | 8y+1=-y+55 | | (4m^2)+13m+10=0 | | 5(6x-4)+5(5-4x)-3(3x+4)=-10 | | 10.77-x=4x | | (3ab-3xz+7ab)2+xz-about=0 | | A+4b=23 | | 25+(3-x)=12 | | 4x+19=5x+12 | | 13v=-143 | | x+(x+1)=(x+2) | | 450-?=135 | | lgx(lgx-8)+16=0 | | -3x-15=x-11 | | x+x+1=x+2 | | 5(4x-4)-3x=184 | | 5(a-9)=70 | | 3x=5x-54 | | 9x+5=-4+5+21 | | (q-7)*6=54 | | 6-6x-4=-37+4x-11 | | (2x-6)+(x-2)=0 | | 42*6/3= | | 2y+25=5y-20 | | 2x-9=2x-4 | | X+12=3x-5 | | x+40=6x+20 | | 8-3x=-5x+18 |

Equations solver categories