16x^2+32x=-11

Simple and best practice solution for 16x^2+32x=-11 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+32x=-11 equation:


Simplifying
16x2 + 32x = -11

Reorder the terms:
32x + 16x2 = -11

Solving
32x + 16x2 = -11

Solving for variable 'x'.

Reorder the terms:
11 + 32x + 16x2 = -11 + 11

Combine like terms: -11 + 11 = 0
11 + 32x + 16x2 = 0

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

Divide each side by '16'.
0.6875 + 2x + x2 = 0

Move the constant term to the right:

Add '-0.6875' to each side of the equation.
0.6875 + 2x + -0.6875 + x2 = 0 + -0.6875

Reorder the terms:
0.6875 + -0.6875 + 2x + x2 = 0 + -0.6875

Combine like terms: 0.6875 + -0.6875 = 0.0000
0.0000 + 2x + x2 = 0 + -0.6875
2x + x2 = 0 + -0.6875

Combine like terms: 0 + -0.6875 = -0.6875
2x + x2 = -0.6875

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -0.6875 + 1

Reorder the terms:
1 + 2x + x2 = -0.6875 + 1

Combine like terms: -0.6875 + 1 = 0.3125
1 + 2x + x2 = 0.3125

Factor a perfect square on the left side:
(x + 1)(x + 1) = 0.3125

Calculate the square root of the right side: 0.559016994

Break this problem into two subproblems by setting 
(x + 1) equal to 0.559016994 and -0.559016994.

Subproblem 1

x + 1 = 0.559016994 Simplifying x + 1 = 0.559016994 Reorder the terms: 1 + x = 0.559016994 Solving 1 + x = 0.559016994 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = 0.559016994 + -1 Combine like terms: 1 + -1 = 0 0 + x = 0.559016994 + -1 x = 0.559016994 + -1 Combine like terms: 0.559016994 + -1 = -0.440983006 x = -0.440983006 Simplifying x = -0.440983006

Subproblem 2

x + 1 = -0.559016994 Simplifying x + 1 = -0.559016994 Reorder the terms: 1 + x = -0.559016994 Solving 1 + x = -0.559016994 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + x = -0.559016994 + -1 Combine like terms: 1 + -1 = 0 0 + x = -0.559016994 + -1 x = -0.559016994 + -1 Combine like terms: -0.559016994 + -1 = -1.559016994 x = -1.559016994 Simplifying x = -1.559016994

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.440983006, -1.559016994}

See similar equations:

| 4x-2=-5x+6 | | 24+10(0.449)=6.89 | | 4y-2(y-3)=6+3(2y+2) | | 10x+25-5x+3= | | 24+2x-17x^2=24-15x | | (M-4)x^2-2(m-2)x+m-1=0 | | 250x^3+2=0 | | (4x-2)+(3x+6)=4x-12 | | -1+4x=-4x+37x | | 2x-6+7=23 | | 18x-5x= | | 3w+5sqrt(w)-2=0 | | 6(5y-2)=3(2y+1)-3 | | 8x+1=63 | | 13x-24x^3= | | 10x-4=32 | | -4(8u+4u+7w)= | | 8x-2-16=-32 | | 4(2w-1)+5=3w+1 | | 7y+5b=85 | | 4x-2+3x+6=4x-12 | | 8(2)-16=-32 | | -12n+-15=-6n-18-1 | | r-27=42 | | 4q^2=8q | | (4x+3)(x^2-2x+4)= | | 27=9-3x | | 3w-4=9w | | 25*z=500 | | 2(x+3)-1=13 | | 20x-5=-65 | | 10*5*3x=450 |

Equations solver categories