42x^2-45x+12=

Simple and best practice solution for 42x^2-45x+12= 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 42x^2-45x+12= equation:


Simplifying
42x2 + -45x + 12 = 0

Reorder the terms:
12 + -45x + 42x2 = 0

Solving
12 + -45x + 42x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(4 + -15x + 14x2) = 0

Factor a trinomial.
3((1 + -2x)(4 + -7x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(1 + -2x)' equal to zero and attempt to solve: Simplifying 1 + -2x = 0 Solving 1 + -2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + -2x = 0 + -1 Combine like terms: 1 + -1 = 0 0 + -2x = 0 + -1 -2x = 0 + -1 Combine like terms: 0 + -1 = -1 -2x = -1 Divide each side by '-2'. x = 0.5 Simplifying x = 0.5

Subproblem 2

Set the factor '(4 + -7x)' equal to zero and attempt to solve: Simplifying 4 + -7x = 0 Solving 4 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -7x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -7x = 0 + -4 -7x = 0 + -4 Combine like terms: 0 + -4 = -4 -7x = -4 Divide each side by '-7'. x = 0.5714285714 Simplifying x = 0.5714285714

Solution

x = {0.5, 0.5714285714}

See similar equations:

| 5t-(2t)=33 | | 2(m-23)=50-4(m-3) | | 3/4c=6 | | 4x+11=-19-2x | | 5q-2q-2q=19 | | 20-(3x-9)-2=-(11x+1) | | 2r+2r+r=15 | | 8x+-2=-170 | | 5t-2t=33 | | 9/4w=27/4 | | 10+1+9x-11=180 | | w^2(-4w^2-2)+(-5w^2)(-2w^2-2)= | | x/4.6=7.2 | | 6s-5s-s+s+s=14 | | 4f-6=7f+3-3f | | (32x)(32x)+8x=-35 | | 15z-12z=18 | | y=3x+q | | x/7=20/21 | | 15d-14d=13 | | 4+4x+4x^2+4x^3=5+x+5x^2+x^3 | | -1+8x=-33 | | 2x-o=x+4 | | 4+4x+4x^2+4x^3=5+x+5x^2+5x^3 | | 0=X^6-2X^3-X+1 | | -0.7(0.4x-0.8)=-4.48 | | 2(x+3)(4-x)=0 | | x/2=10-2 | | 2x-0+x=4 | | 13d-10d=12 | | 5*2-2x-6=0 | | 15.76x=1.81 |

Equations solver categories