-3(k-7)(8k+3)=0

Simple and best practice solution for -3(k-7)(8k+3)=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 -3(k-7)(8k+3)=0 equation:


Simplifying
-3(k + -7)(8k + 3) = 0

Reorder the terms:
-3(-7 + k)(8k + 3) = 0

Reorder the terms:
-3(-7 + k)(3 + 8k) = 0

Multiply (-7 + k) * (3 + 8k)
-3(-7(3 + 8k) + k(3 + 8k)) = 0
-3((3 * -7 + 8k * -7) + k(3 + 8k)) = 0
-3((-21 + -56k) + k(3 + 8k)) = 0
-3(-21 + -56k + (3 * k + 8k * k)) = 0
-3(-21 + -56k + (3k + 8k2)) = 0

Combine like terms: -56k + 3k = -53k
-3(-21 + -53k + 8k2) = 0
(-21 * -3 + -53k * -3 + 8k2 * -3) = 0
(63 + 159k + -24k2) = 0

Solving
63 + 159k + -24k2 = 0

Solving for variable 'k'.

Factor out the Greatest Common Factor (GCF), '3'.
3(21 + 53k + -8k2) = 0

Factor a trinomial.
3((7 + -1k)(3 + 8k)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(7 + -1k)' equal to zero and attempt to solve: Simplifying 7 + -1k = 0 Solving 7 + -1k = 0 Move all terms containing k to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + -1k = 0 + -7 Combine like terms: 7 + -7 = 0 0 + -1k = 0 + -7 -1k = 0 + -7 Combine like terms: 0 + -7 = -7 -1k = -7 Divide each side by '-1'. k = 7 Simplifying k = 7

Subproblem 2

Set the factor '(3 + 8k)' equal to zero and attempt to solve: Simplifying 3 + 8k = 0 Solving 3 + 8k = 0 Move all terms containing k to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + 8k = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 8k = 0 + -3 8k = 0 + -3 Combine like terms: 0 + -3 = -3 8k = -3 Divide each side by '8'. k = -0.375 Simplifying k = -0.375

Solution

k = {7, -0.375}

See similar equations:

| -2(x+2)=2(-x-1) | | 2cos(t)= | | 8iz^2+16=0 | | 9h-28=35 | | 19(39-2x)=703 | | 21x-10=5(4x+5)-15 | | 3r-4=4r-3 | | 8b-4b-b=55 | | 2n^2(n+6)(n-3)=0 | | 2f+7=8f-23 | | 25x^2+30x=5x^3 | | h(h+4)=3(h-2)+12 | | 3h-1=5h-21 | | 8m-14=50 | | -9x+y=-19 | | f(x)=-6x^2+9x+7 | | 7p+13=6p+16 | | 451=540x | | V=3.14(36)(14) | | 4(2x+3)=7(3x-2) | | 10y-4=5y+6 | | H^2-6+h=0 | | 10lnx-(ln*(x^8))=ln(2x+24) | | 3a-4=2a+6 | | y=-5(x+2)2+7 | | 7(8+2)=7(8)+7(2) | | -1625+185x=0 | | -6(5a+8)(6a-5)=0 | | 10-z=6(z+5) | | 8x^2=15+2x | | 5x^2=6x+x^3 | | 9-3k= |

Equations solver categories