=16x^2+11x-14

Simple and best practice solution for =16x^2+11x-14 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+11x-14 equation:


Simplifying
0 = 16x2 + 11x + -14

Reorder the terms:
0 = -14 + 11x + 16x2

Solving
0 = -14 + 11x + 16x2

Solving for variable 'x'.

Combine like terms: 0 + 14 = 14
14 + -11x + -16x2 = -14 + 11x + 16x2 + 14 + -11x + -16x2

Reorder the terms:
14 + -11x + -16x2 = -14 + 14 + 11x + -11x + 16x2 + -16x2

Combine like terms: -14 + 14 = 0
14 + -11x + -16x2 = 0 + 11x + -11x + 16x2 + -16x2
14 + -11x + -16x2 = 11x + -11x + 16x2 + -16x2

Combine like terms: 11x + -11x = 0
14 + -11x + -16x2 = 0 + 16x2 + -16x2
14 + -11x + -16x2 = 16x2 + -16x2

Combine like terms: 16x2 + -16x2 = 0
14 + -11x + -16x2 = 0

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

Divide each side by '-16'.
-0.875 + 0.6875x + x2 = 0

Move the constant term to the right:

Add '0.875' to each side of the equation.
-0.875 + 0.6875x + 0.875 + x2 = 0 + 0.875

Reorder the terms:
-0.875 + 0.875 + 0.6875x + x2 = 0 + 0.875

Combine like terms: -0.875 + 0.875 = 0.000
0.000 + 0.6875x + x2 = 0 + 0.875
0.6875x + x2 = 0 + 0.875

Combine like terms: 0 + 0.875 = 0.875
0.6875x + x2 = 0.875

The x term is 0.6875x.  Take half its coefficient (0.34375).
Square it (0.1181640625) and add it to both sides.

Add '0.1181640625' to each side of the equation.
0.6875x + 0.1181640625 + x2 = 0.875 + 0.1181640625

Reorder the terms:
0.1181640625 + 0.6875x + x2 = 0.875 + 0.1181640625

Combine like terms: 0.875 + 0.1181640625 = 0.9931640625
0.1181640625 + 0.6875x + x2 = 0.9931640625

Factor a perfect square on the left side:
(x + 0.34375)(x + 0.34375) = 0.9931640625

Calculate the square root of the right side: 0.99657617

Break this problem into two subproblems by setting 
(x + 0.34375) equal to 0.99657617 and -0.99657617.

Subproblem 1

x + 0.34375 = 0.99657617 Simplifying x + 0.34375 = 0.99657617 Reorder the terms: 0.34375 + x = 0.99657617 Solving 0.34375 + x = 0.99657617 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.34375' to each side of the equation. 0.34375 + -0.34375 + x = 0.99657617 + -0.34375 Combine like terms: 0.34375 + -0.34375 = 0.00000 0.00000 + x = 0.99657617 + -0.34375 x = 0.99657617 + -0.34375 Combine like terms: 0.99657617 + -0.34375 = 0.65282617 x = 0.65282617 Simplifying x = 0.65282617

Subproblem 2

x + 0.34375 = -0.99657617 Simplifying x + 0.34375 = -0.99657617 Reorder the terms: 0.34375 + x = -0.99657617 Solving 0.34375 + x = -0.99657617 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.34375' to each side of the equation. 0.34375 + -0.34375 + x = -0.99657617 + -0.34375 Combine like terms: 0.34375 + -0.34375 = 0.00000 0.00000 + x = -0.99657617 + -0.34375 x = -0.99657617 + -0.34375 Combine like terms: -0.99657617 + -0.34375 = -1.34032617 x = -1.34032617 Simplifying x = -1.34032617

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.65282617, -1.34032617}

See similar equations:

| 3x+12-9x=17-19x+13x-5 | | (x+4)(x^2-4x+16)= | | 6-2(2w+1)=4w-2(4+w) | | 4d^2+0b-25=0 | | -n+4(1+7n)=15+8 | | 8x-(6x+5)=5 | | 25x+3=23 | | 5a-3=3+2a | | 6.3-x=10.7 | | 4d^2-25=0 | | 7=-3-6x+8x | | 0.1x-1.2=-2 | | 17=m-1+2m | | -4(5x-7)=3(4x+5) | | (6-2w)-(4w+w)+1= | | -1.5+k=8.2 | | 3x-5=x-1 | | x(x+8)-12(x+8)=0 | | 5k^2-2k-7=0 | | 3x-4y+2y=11 | | (-x)(-y)=-xy | | 5p+18=6(p+8) | | 35x+3=28x+2 | | 4b-7=-10b | | 18x^5+15x^4z-75x^3z^2=0 | | 4m+-24= | | 23=3y-(-5) | | (2w+3)+(2w+w)= | | 12+5v=2v | | 15-7x-2x^2=0 | | 3(64x)=2(6x+9) | | 1-10k=-309 |

Equations solver categories