(8x-5)(4x-3)=104

Simple and best practice solution for (8x-5)(4x-3)=104 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 (8x-5)(4x-3)=104 equation:


Simplifying
(8x + -5)(4x + -3) = 104

Reorder the terms:
(-5 + 8x)(4x + -3) = 104

Reorder the terms:
(-5 + 8x)(-3 + 4x) = 104

Multiply (-5 + 8x) * (-3 + 4x)
(-5(-3 + 4x) + 8x * (-3 + 4x)) = 104
((-3 * -5 + 4x * -5) + 8x * (-3 + 4x)) = 104
((15 + -20x) + 8x * (-3 + 4x)) = 104
(15 + -20x + (-3 * 8x + 4x * 8x)) = 104
(15 + -20x + (-24x + 32x2)) = 104

Combine like terms: -20x + -24x = -44x
(15 + -44x + 32x2) = 104

Solving
15 + -44x + 32x2 = 104

Solving for variable 'x'.

Reorder the terms:
15 + -104 + -44x + 32x2 = 104 + -104

Combine like terms: 15 + -104 = -89
-89 + -44x + 32x2 = 104 + -104

Combine like terms: 104 + -104 = 0
-89 + -44x + 32x2 = 0

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

Divide each side by '32'.
-2.78125 + -1.375x + x2 = 0

Move the constant term to the right:

Add '2.78125' to each side of the equation.
-2.78125 + -1.375x + 2.78125 + x2 = 0 + 2.78125

Reorder the terms:
-2.78125 + 2.78125 + -1.375x + x2 = 0 + 2.78125

Combine like terms: -2.78125 + 2.78125 = 0.00000
0.00000 + -1.375x + x2 = 0 + 2.78125
-1.375x + x2 = 0 + 2.78125

Combine like terms: 0 + 2.78125 = 2.78125
-1.375x + x2 = 2.78125

The x term is -1.375x.  Take half its coefficient (-0.6875).
Square it (0.47265625) and add it to both sides.

Add '0.47265625' to each side of the equation.
-1.375x + 0.47265625 + x2 = 2.78125 + 0.47265625

Reorder the terms:
0.47265625 + -1.375x + x2 = 2.78125 + 0.47265625

Combine like terms: 2.78125 + 0.47265625 = 3.25390625
0.47265625 + -1.375x + x2 = 3.25390625

Factor a perfect square on the left side:
(x + -0.6875)(x + -0.6875) = 3.25390625

Calculate the square root of the right side: 1.803858711

Break this problem into two subproblems by setting 
(x + -0.6875) equal to 1.803858711 and -1.803858711.

Subproblem 1

x + -0.6875 = 1.803858711 Simplifying x + -0.6875 = 1.803858711 Reorder the terms: -0.6875 + x = 1.803858711 Solving -0.6875 + x = 1.803858711 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6875' to each side of the equation. -0.6875 + 0.6875 + x = 1.803858711 + 0.6875 Combine like terms: -0.6875 + 0.6875 = 0.0000 0.0000 + x = 1.803858711 + 0.6875 x = 1.803858711 + 0.6875 Combine like terms: 1.803858711 + 0.6875 = 2.491358711 x = 2.491358711 Simplifying x = 2.491358711

Subproblem 2

x + -0.6875 = -1.803858711 Simplifying x + -0.6875 = -1.803858711 Reorder the terms: -0.6875 + x = -1.803858711 Solving -0.6875 + x = -1.803858711 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.6875' to each side of the equation. -0.6875 + 0.6875 + x = -1.803858711 + 0.6875 Combine like terms: -0.6875 + 0.6875 = 0.0000 0.0000 + x = -1.803858711 + 0.6875 x = -1.803858711 + 0.6875 Combine like terms: -1.803858711 + 0.6875 = -1.116358711 x = -1.116358711 Simplifying x = -1.116358711

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.491358711, -1.116358711}

See similar equations:

| 1x-12=132 | | 5[x-2]=-40 | | 2[2s-3]=14 | | 1.5x=2.22226x+7 | | 2[x+8]=10 | | 11(-2+3h)= | | 12-5x=28 | | 1/2x-12=132 | | 39=(x+8)(x-2) | | 1-3y=2-4y | | 3c^2+13c+12=0 | | 4x-4=2-3x | | 0=3x^2-3x-216 | | 117=5v+17 | | 2x-14+3(x+1)=4 | | 8x+15x+17x=120 | | 2(-2y+6)+3y=8 | | 2x-2.8y=9.6 | | 8v-18=-3(-v+6) | | (3x-2)(x-4)(x+3)=0 | | 3/4x=11/12 | | 2x+5-29+5x= | | 10e/392 | | 2*n+5=-2 | | 11/12=3/4x | | 30/60=x/75 | | 30/60=?/75 | | 8(w+3)= | | (3*2)+(2*-5)= | | 6=2+17x-16x^2 | | -8w+14=-9w | | y=3456345+3x |

Equations solver categories