(5k-2)(7k-4)=0

Simple and best practice solution for (5k-2)(7k-4)=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 (5k-2)(7k-4)=0 equation: 


Simplifying
(5k + -2)(7k + -4) = 0

Reorder the terms:
(-2 + 5k)(7k + -4) = 0

Reorder the terms:
(-2 + 5k)(-4 + 7k) = 0

Multiply (-2 + 5k) * (-4 + 7k)
(-2(-4 + 7k) + 5k * (-4 + 7k)) = 0
((-4 * -2 + 7k * -2) + 5k * (-4 + 7k)) = 0
((8 + -14k) + 5k * (-4 + 7k)) = 0
(8 + -14k + (-4 * 5k + 7k * 5k)) = 0
(8 + -14k + (-20k + 35k2)) = 0

Combine like terms: -14k + -20k = -34k
(8 + -34k + 35k2) = 0

Solving
8 + -34k + 35k2 = 0

Solving for variable 'k'.

Factor a trinomial.
(2 + -5k)(4 + -7k) = 0


Subproblem 1
Set the factor '(2 + -5k)' equal to zero and attempt to solve:

Simplifying
2 + -5k = 0

Solving
2 + -5k = 0

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

Add '-2' to each side of the equation.
2 + -2 + -5k = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -5k = 0 + -2
-5k = 0 + -2

Combine like terms: 0 + -2 = -2
-5k = -2

Divide each side by '-5'.
k = 0.4

Simplifying
k = 0.4

Subproblem 2
Set the factor '(4 + -7k)' equal to zero and attempt to solve:

Simplifying
4 + -7k = 0

Solving
4 + -7k = 0

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

Add '-4' to each side of the equation.
4 + -4 + -7k = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -7k = 0 + -4
-7k = 0 + -4

Combine like terms: 0 + -4 = -4
-7k = -4

Divide each side by '-7'.
k = 0.5714285714

Simplifying
k = 0.5714285714
Solution
k = {0.4, 0.5714285714}

See similar equations:

| 5=-7b+5b | | 5x^2=1e+12 | | z^3+1=-i | | 10n^2-13=0 | | y-9=-2(x-3) | | 3x+7=82 | | 16x-5=12x+7 | | 17-4x+3=-2x-6x | | -4.2c=-46.2 | | a^2-4=5 | | z/7-5=2 | | 5x^2=100000000000 | | 4x^2-19x+11=-2x+7 | | 5x+6=-59 | | -1.56=37f+5.1 | | -50x+13=48x-1 | | -5400.00+13.50x=4158.00 | | 4(x-1)=16+3x | | Q^3-120Q^2=-100 | | k-4=-6+6k+7+5 | | 3040.2736=2*r^2+2*3.14*r*93.9 | | 8m^2-47m+35=0 | | 5-2x=-2x | | https://s3.amazonaws.com/upload_question_images/Warm_up_distribute_2_poly_quest.PNG | | -4n^2+5n+9=0 | | 16x^4y^4z^4=0 | | 60Q=100+60Q-120Q^2+Q^3 | | 10x-15=-5x+15 | | 7x=99x+22 | | 13x+2=13x+9 | | 5n^2-9n=80 | | Y=-4x-110 |

Equations solver categories