0=-16x^2+55x+175

Simple and best practice solution for 0=-16x^2+55x+175 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 0=-16x^2+55x+175 equation:


Simplifying
0 = -16x2 + 55x + 175

Reorder the terms:
0 = 175 + 55x + -16x2

Solving
0 = 175 + 55x + -16x2

Solving for variable 'x'.

Combine like terms: 0 + -175 = -175
-175 + -55x + 16x2 = 175 + 55x + -16x2 + -175 + -55x + 16x2

Reorder the terms:
-175 + -55x + 16x2 = 175 + -175 + 55x + -55x + -16x2 + 16x2

Combine like terms: 175 + -175 = 0
-175 + -55x + 16x2 = 0 + 55x + -55x + -16x2 + 16x2
-175 + -55x + 16x2 = 55x + -55x + -16x2 + 16x2

Combine like terms: 55x + -55x = 0
-175 + -55x + 16x2 = 0 + -16x2 + 16x2
-175 + -55x + 16x2 = -16x2 + 16x2

Combine like terms: -16x2 + 16x2 = 0
-175 + -55x + 16x2 = 0

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

Divide each side by '16'.
-10.9375 + -3.4375x + x2 = 0

Move the constant term to the right:

Add '10.9375' to each side of the equation.
-10.9375 + -3.4375x + 10.9375 + x2 = 0 + 10.9375

Reorder the terms:
-10.9375 + 10.9375 + -3.4375x + x2 = 0 + 10.9375

Combine like terms: -10.9375 + 10.9375 = 0.0000
0.0000 + -3.4375x + x2 = 0 + 10.9375
-3.4375x + x2 = 0 + 10.9375

Combine like terms: 0 + 10.9375 = 10.9375
-3.4375x + x2 = 10.9375

The x term is -3.4375x.  Take half its coefficient (-1.71875).
Square it (2.954101563) and add it to both sides.

Add '2.954101563' to each side of the equation.
-3.4375x + 2.954101563 + x2 = 10.9375 + 2.954101563

Reorder the terms:
2.954101563 + -3.4375x + x2 = 10.9375 + 2.954101563

Combine like terms: 10.9375 + 2.954101563 = 13.891601563
2.954101563 + -3.4375x + x2 = 13.891601563

Factor a perfect square on the left side:
(x + -1.71875)(x + -1.71875) = 13.891601563

Calculate the square root of the right side: 3.727143888

Break this problem into two subproblems by setting 
(x + -1.71875) equal to 3.727143888 and -3.727143888.

Subproblem 1

x + -1.71875 = 3.727143888 Simplifying x + -1.71875 = 3.727143888 Reorder the terms: -1.71875 + x = 3.727143888 Solving -1.71875 + x = 3.727143888 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.71875' to each side of the equation. -1.71875 + 1.71875 + x = 3.727143888 + 1.71875 Combine like terms: -1.71875 + 1.71875 = 0.00000 0.00000 + x = 3.727143888 + 1.71875 x = 3.727143888 + 1.71875 Combine like terms: 3.727143888 + 1.71875 = 5.445893888 x = 5.445893888 Simplifying x = 5.445893888

Subproblem 2

x + -1.71875 = -3.727143888 Simplifying x + -1.71875 = -3.727143888 Reorder the terms: -1.71875 + x = -3.727143888 Solving -1.71875 + x = -3.727143888 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.71875' to each side of the equation. -1.71875 + 1.71875 + x = -3.727143888 + 1.71875 Combine like terms: -1.71875 + 1.71875 = 0.00000 0.00000 + x = -3.727143888 + 1.71875 x = -3.727143888 + 1.71875 Combine like terms: -3.727143888 + 1.71875 = -2.008393888 x = -2.008393888 Simplifying x = -2.008393888

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.445893888, -2.008393888}

See similar equations:

| 329/3= | | 2523+-2940= | | -7(3x-4y+6)= | | n=360-1*3 | | n=360-1/3 | | n=360-1/2 | | 18x+8x^2=-9 | | y=-16x^2+55x+175 | | -7b+10+(-b)+(-7)= | | 6x^4+28x^3+16x^2+16=0 | | 2(6*w)+2(5*6)+2(5*w)=126 | | 5ln(4x)=10 | | 2(6w)+2(5*6)+2(5w)=126 | | 9+(-5)+(-8)= | | 4g-4-3-4g= | | 2(5x-3)=3(3x+4) | | 16+4(6c-1)= | | 7h+51=96 | | x^2-4xy+3y^2=17 | | 38=2x-2 | | 8x+48=0 | | 3(a+2)=(a-3) | | 6(-4x+5)-2=-36-8x | | 22(8+22x)=16x | | 6(-4+5)-2=-36-8x | | 33x^2-24x-30=0 | | -0.75-0.66= | | 1.875y=4.5 | | 4(2x-1)-5(x-2)=6 | | y=3x^2-72x+324 | | (2y+9)=(3y-20) | | 3(6+2x)=9x |

Equations solver categories