128x^2-64+13=-14(4x-1)

Simple and best practice solution for 128x^2-64+13=-14(4x-1) 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 128x^2-64+13=-14(4x-1) equation:


Simplifying
128x2 + -64 + 13 = -14(4x + -1)

Reorder the terms:
-64 + 13 + 128x2 = -14(4x + -1)

Combine like terms: -64 + 13 = -51
-51 + 128x2 = -14(4x + -1)

Reorder the terms:
-51 + 128x2 = -14(-1 + 4x)
-51 + 128x2 = (-1 * -14 + 4x * -14)
-51 + 128x2 = (14 + -56x)

Solving
-51 + 128x2 = 14 + -56x

Solving for variable 'x'.

Reorder the terms:
-51 + -14 + 56x + 128x2 = 14 + -56x + -14 + 56x

Combine like terms: -51 + -14 = -65
-65 + 56x + 128x2 = 14 + -56x + -14 + 56x

Reorder the terms:
-65 + 56x + 128x2 = 14 + -14 + -56x + 56x

Combine like terms: 14 + -14 = 0
-65 + 56x + 128x2 = 0 + -56x + 56x
-65 + 56x + 128x2 = -56x + 56x

Combine like terms: -56x + 56x = 0
-65 + 56x + 128x2 = 0

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

Divide each side by '128'.
-0.5078125 + 0.4375x + x2 = 0

Move the constant term to the right:

Add '0.5078125' to each side of the equation.
-0.5078125 + 0.4375x + 0.5078125 + x2 = 0 + 0.5078125

Reorder the terms:
-0.5078125 + 0.5078125 + 0.4375x + x2 = 0 + 0.5078125

Combine like terms: -0.5078125 + 0.5078125 = 0.0000000
0.0000000 + 0.4375x + x2 = 0 + 0.5078125
0.4375x + x2 = 0 + 0.5078125

Combine like terms: 0 + 0.5078125 = 0.5078125
0.4375x + x2 = 0.5078125

The x term is 0.4375x.  Take half its coefficient (0.21875).
Square it (0.0478515625) and add it to both sides.

Add '0.0478515625' to each side of the equation.
0.4375x + 0.0478515625 + x2 = 0.5078125 + 0.0478515625

Reorder the terms:
0.0478515625 + 0.4375x + x2 = 0.5078125 + 0.0478515625

Combine like terms: 0.5078125 + 0.0478515625 = 0.5556640625
0.0478515625 + 0.4375x + x2 = 0.5556640625

Factor a perfect square on the left side:
(x + 0.21875)(x + 0.21875) = 0.5556640625

Calculate the square root of the right side: 0.745428778

Break this problem into two subproblems by setting 
(x + 0.21875) equal to 0.745428778 and -0.745428778.

Subproblem 1

x + 0.21875 = 0.745428778 Simplifying x + 0.21875 = 0.745428778 Reorder the terms: 0.21875 + x = 0.745428778 Solving 0.21875 + x = 0.745428778 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.21875' to each side of the equation. 0.21875 + -0.21875 + x = 0.745428778 + -0.21875 Combine like terms: 0.21875 + -0.21875 = 0.00000 0.00000 + x = 0.745428778 + -0.21875 x = 0.745428778 + -0.21875 Combine like terms: 0.745428778 + -0.21875 = 0.526678778 x = 0.526678778 Simplifying x = 0.526678778

Subproblem 2

x + 0.21875 = -0.745428778 Simplifying x + 0.21875 = -0.745428778 Reorder the terms: 0.21875 + x = -0.745428778 Solving 0.21875 + x = -0.745428778 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.21875' to each side of the equation. 0.21875 + -0.21875 + x = -0.745428778 + -0.21875 Combine like terms: 0.21875 + -0.21875 = 0.00000 0.00000 + x = -0.745428778 + -0.21875 x = -0.745428778 + -0.21875 Combine like terms: -0.745428778 + -0.21875 = -0.964178778 x = -0.964178778 Simplifying x = -0.964178778

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.526678778, -0.964178778}

See similar equations:

| (8x^2-6x+20)+(8x^2+8x-52)= | | -200x+2000x-38000=1000 | | (3x-18)+(x+17)+(2x-3)=83 | | -4+2=26 | | y=4x+5x(6x-4) | | 3/2x-11/2=13/2 | | 2.5(1+-2)-6=9 | | 29-61+75*= | | .25y+-2x=5 | | 80x-160(x-8)=70(x-1) | | (3x+20)= | | 1+2+3-2= | | 6(3z-1)-5(z+2)=4(z+1) | | 6+3x=90 | | 18x+3x-5=0 | | -10(89)+65x=5(x-10) | | (7/4x-1)=(2/x+4) | | (x+3)+(x+3)+14=2x+20 | | (x^2-3x-4)/(x^2-16) | | 3x+-4+3x+-4=58 | | -14=v+4-7v | | 14y+7(y+4000)=196000 | | 2x(x+3)(5x-4)=0 | | -6(x+3)-45=7-28 | | piex^2-x-83pie=0 | | 8+4(-6)= | | 6x+-8=58 | | -8(t-6)-(t+4)=6 | | (x/x-2)+8=(2/x-2) | | -6-2-(-21)= | | 12/2x3-4^2 | | -3+-1= |

Equations solver categories