7x(x-4)-2x(8x^2-4x+3)=

Simple and best practice solution for 7x(x-4)-2x(8x^2-4x+3)= 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 7x(x-4)-2x(8x^2-4x+3)= equation: 


Simplifying
7x(x + -4) + -2x(8x2 + -4x + 3) = 0

Reorder the terms:
7x(-4 + x) + -2x(8x2 + -4x + 3) = 0
(-4 * 7x + x * 7x) + -2x(8x2 + -4x + 3) = 0
(-28x + 7x2) + -2x(8x2 + -4x + 3) = 0

Reorder the terms:
-28x + 7x2 + -2x(3 + -4x + 8x2) = 0
-28x + 7x2 + (3 * -2x + -4x * -2x + 8x2 * -2x) = 0
-28x + 7x2 + (-6x + 8x2 + -16x3) = 0

Reorder the terms:
-28x + -6x + 7x2 + 8x2 + -16x3 = 0

Combine like terms: -28x + -6x = -34x
-34x + 7x2 + 8x2 + -16x3 = 0

Combine like terms: 7x2 + 8x2 = 15x2
-34x + 15x2 + -16x3 = 0

Solving
-34x + 15x2 + -16x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-34 + 15x + -16x2) = 0


Subproblem 1
Set the factor 'x' equal to zero and attempt to solve:

Simplifying
x = 0

Solving
x = 0

Move all terms containing x to the left, all other terms to the right.

Simplifying
x = 0

Subproblem 2
Set the factor '(-34 + 15x + -16x2)' equal to zero and attempt to solve:

Simplifying
-34 + 15x + -16x2 = 0

Solving
-34 + 15x + -16x2 = 0

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

Divide each side by '-16'.
2.125 + -0.9375x + x2 = 0

Move the constant term to the right:

Add '-2.125' to each side of the equation.
2.125 + -0.9375x + -2.125 + x2 = 0 + -2.125

Reorder the terms:
2.125 + -2.125 + -0.9375x + x2 = 0 + -2.125

Combine like terms: 2.125 + -2.125 = 0.000
0.000 + -0.9375x + x2 = 0 + -2.125
-0.9375x + x2 = 0 + -2.125

Combine like terms: 0 + -2.125 = -2.125
-0.9375x + x2 = -2.125

The x term is -0.9375x.  Take half its coefficient (-0.46875).
Square it (0.2197265625) and add it to both sides.

Add '0.2197265625' to each side of the equation.
-0.9375x + 0.2197265625 + x2 = -2.125 + 0.2197265625

Reorder the terms:
0.2197265625 + -0.9375x + x2 = -2.125 + 0.2197265625

Combine like terms: -2.125 + 0.2197265625 = -1.9052734375
0.2197265625 + -0.9375x + x2 = -1.9052734375

Factor a perfect square on the left side:
(x + -0.46875)(x + -0.46875) = -1.9052734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.
Solution
x = {0}

See similar equations:

| 5X+6-3x=-8 | | 5+27=13x-37 | | 11sin^2x-1=0 | | 4=12/u-9 | | 4=0/u-3 | | 7+6b=10 | | (x)(x)(x)=-1000 | | 4=-12/u-9 | | 3^14k^7/2^19 | | 100n^2-2=-1 | | 13-2x+8=8x+1 | | .06x+.09(15000-x)=1200 | | 49n^2-6=10 | | 7a(a-4)-2a((8a*8a)-4a+3)= | | 3x-13-10=2x+28 | | 4=-10-2/u-9 | | p(4q-9)+p(6-q)= | | 8x-11y=170 | | 3x+13-10=-2+28 | | Q=100-4+10 | | 13-2x+8+8x=0+1 | | cos(2x)=cos(5x) | | 27.49=15+.22m | | 4/(x-6)=9/10 | | -7=-9-s/6-4 | | 5+100x^2=6 | | 6x-3-12x-8=10 | | -7=9-s/6-4 | | 10=4-z/1 | | .9x+.1(12)=.5(x+12) | | 4-z/10-9 | | 81a^2+8=17 |

Equations solver categories