3z^2+5z-12=0

Simple and best practice solution for 3z^2+5z-12=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 3z^2+5z-12=0 equation:


Simplifying
3z2 + 5z + -12 = 0

Reorder the terms:
-12 + 5z + 3z2 = 0

Solving
-12 + 5z + 3z2 = 0

Solving for variable 'z'.

Factor a trinomial.
(-3 + -1z)(4 + -3z) = 0

Subproblem 1

Set the factor '(-3 + -1z)' equal to zero and attempt to solve: Simplifying -3 + -1z = 0 Solving -3 + -1z = 0 Move all terms containing z to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -1z = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -1z = 0 + 3 -1z = 0 + 3 Combine like terms: 0 + 3 = 3 -1z = 3 Divide each side by '-1'. z = -3 Simplifying z = -3

Subproblem 2

Set the factor '(4 + -3z)' equal to zero and attempt to solve: Simplifying 4 + -3z = 0 Solving 4 + -3z = 0 Move all terms containing z to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -3z = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -3z = 0 + -4 -3z = 0 + -4 Combine like terms: 0 + -4 = -4 -3z = -4 Divide each side by '-3'. z = 1.333333333 Simplifying z = 1.333333333

Solution

z = {-3, 1.333333333}

See similar equations:

| -7x^2+20-12=0 | | x^2+10x+22=31 | | 4(x+2)(x-5)=0 | | 3x+1=x+2+x | | 5(x+6)(x-2)=0 | | 10c^3+6c^2-4c=0 | | 7x^2-20+12=0 | | 5(x+6)(x+2)=0 | | (5x-2)(3x-7)=0 | | 2n(n-4)=0 | | a(3x+8a)=b-18x | | -(1+4n)=-2n-13 | | m(m+8)=0 | | 6-24x^2-8x^4= | | -11=7n | | -4u=56 | | 3r(r+4)=0 | | 11n=-55 | | -9w=-81 | | (x-3)(7x+5)=0 | | -7(n+8)=-91 | | r-11=-27 | | 3x^2+14x-24=0 | | b(b+7)=0 | | 10b=-10 | | -17+x=-19 | | 7x(3x+8)=0 | | 4x+3=3-(x-23) | | x=11y | | (x-4)(x-8)=0 | | 36=7x-12-10x | | 4(2x-1)=3(6+3x) |

Equations solver categories