16x^2-219x-35=0

Simple and best practice solution for 16x^2-219x-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 16x^2-219x-35=0 equation:


Simplifying
16x2 + -219x + -35 = 0

Reorder the terms:
-35 + -219x + 16x2 = 0

Solving
-35 + -219x + 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'.
-2.1875 + -13.6875x + x2 = 0

Move the constant term to the right:

Add '2.1875' to each side of the equation.
-2.1875 + -13.6875x + 2.1875 + x2 = 0 + 2.1875

Reorder the terms:
-2.1875 + 2.1875 + -13.6875x + x2 = 0 + 2.1875

Combine like terms: -2.1875 + 2.1875 = 0.0000
0.0000 + -13.6875x + x2 = 0 + 2.1875
-13.6875x + x2 = 0 + 2.1875

Combine like terms: 0 + 2.1875 = 2.1875
-13.6875x + x2 = 2.1875

The x term is -13.6875x.  Take half its coefficient (-6.84375).
Square it (46.83691406) and add it to both sides.

Add '46.83691406' to each side of the equation.
-13.6875x + 46.83691406 + x2 = 2.1875 + 46.83691406

Reorder the terms:
46.83691406 + -13.6875x + x2 = 2.1875 + 46.83691406

Combine like terms: 2.1875 + 46.83691406 = 49.02441406
46.83691406 + -13.6875x + x2 = 49.02441406

Factor a perfect square on the left side:
(x + -6.84375)(x + -6.84375) = 49.02441406

Calculate the square root of the right side: 7.001743644

Break this problem into two subproblems by setting 
(x + -6.84375) equal to 7.001743644 and -7.001743644.

Subproblem 1

x + -6.84375 = 7.001743644 Simplifying x + -6.84375 = 7.001743644 Reorder the terms: -6.84375 + x = 7.001743644 Solving -6.84375 + x = 7.001743644 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.84375' to each side of the equation. -6.84375 + 6.84375 + x = 7.001743644 + 6.84375 Combine like terms: -6.84375 + 6.84375 = 0.00000 0.00000 + x = 7.001743644 + 6.84375 x = 7.001743644 + 6.84375 Combine like terms: 7.001743644 + 6.84375 = 13.845493644 x = 13.845493644 Simplifying x = 13.845493644

Subproblem 2

x + -6.84375 = -7.001743644 Simplifying x + -6.84375 = -7.001743644 Reorder the terms: -6.84375 + x = -7.001743644 Solving -6.84375 + x = -7.001743644 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.84375' to each side of the equation. -6.84375 + 6.84375 + x = -7.001743644 + 6.84375 Combine like terms: -6.84375 + 6.84375 = 0.00000 0.00000 + x = -7.001743644 + 6.84375 x = -7.001743644 + 6.84375 Combine like terms: -7.001743644 + 6.84375 = -0.157993644 x = -0.157993644 Simplifying x = -0.157993644

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.845493644, -0.157993644}

See similar equations:

| -16x^2+110x+5=0 | | 24/m=6 | | 3n=5-9n/4 | | 0=55-1.4d | | f(x)=x^4-7x+8 | | 5/8-7/10 | | 6x/5-3=15 | | x=12y-7 | | 7x+33=180 | | 4p-2/2=2 | | 3B+2C=-19 | | y+4=4y | | 3(y-2)=18-5y | | 2y-4/4=3 | | 2/7*1/13 | | 5(m+2)+3=3m-1 | | 17(x-3)+17(x+5)=187 | | y^5/7=2 | | 2y-5+4y-3= | | (ln9/2)/(3ln7) | | -1/2-4/3х=1/5 | | sin(2sec^-1(u/8)) | | x+6+3x=18+2x | | 9sec^2(x/7)=3 | | 3m-4(1-2m)=18 | | 4sin(x)+10=10 | | 9sec^2x/7=3 | | 0sec^2x/7=3 | | 5x-5=x+6 | | 3p-5/2=p | | P=8pi | | R(x)=-0.1x^2+40x |

Equations solver categories