(3x)(42x+1)=6x+2

Simple and best practice solution for (3x)(42x+1)=6x+2 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 (3x)(42x+1)=6x+2 equation:


Simplifying
(3x)(42x + 1) = 6x + 2

Remove parenthesis around (3x)
3x(42x + 1) = 6x + 2

Reorder the terms:
3x(1 + 42x) = 6x + 2
(1 * 3x + 42x * 3x) = 6x + 2
(3x + 126x2) = 6x + 2

Reorder the terms:
3x + 126x2 = 2 + 6x

Solving
3x + 126x2 = 2 + 6x

Solving for variable 'x'.

Reorder the terms:
-2 + 3x + -6x + 126x2 = 2 + 6x + -2 + -6x

Combine like terms: 3x + -6x = -3x
-2 + -3x + 126x2 = 2 + 6x + -2 + -6x

Reorder the terms:
-2 + -3x + 126x2 = 2 + -2 + 6x + -6x

Combine like terms: 2 + -2 = 0
-2 + -3x + 126x2 = 0 + 6x + -6x
-2 + -3x + 126x2 = 6x + -6x

Combine like terms: 6x + -6x = 0
-2 + -3x + 126x2 = 0

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

Divide each side by '126'.
-0.01587301587 + -0.02380952381x + x2 = 0

Move the constant term to the right:

Add '0.01587301587' to each side of the equation.
-0.01587301587 + -0.02380952381x + 0.01587301587 + x2 = 0 + 0.01587301587

Reorder the terms:
-0.01587301587 + 0.01587301587 + -0.02380952381x + x2 = 0 + 0.01587301587

Combine like terms: -0.01587301587 + 0.01587301587 = 0.00000000000
0.00000000000 + -0.02380952381x + x2 = 0 + 0.01587301587
-0.02380952381x + x2 = 0 + 0.01587301587

Combine like terms: 0 + 0.01587301587 = 0.01587301587
-0.02380952381x + x2 = 0.01587301587

The x term is -0.02380952381x.  Take half its coefficient (-0.01190476191).
Square it (0.0001417233561) and add it to both sides.

Add '0.0001417233561' to each side of the equation.
-0.02380952381x + 0.0001417233561 + x2 = 0.01587301587 + 0.0001417233561

Reorder the terms:
0.0001417233561 + -0.02380952381x + x2 = 0.01587301587 + 0.0001417233561

Combine like terms: 0.01587301587 + 0.0001417233561 = 0.0160147392261
0.0001417233561 + -0.02380952381x + x2 = 0.0160147392261

Factor a perfect square on the left side:
(x + -0.01190476191)(x + -0.01190476191) = 0.0160147392261

Calculate the square root of the right side: 0.126549355

Break this problem into two subproblems by setting 
(x + -0.01190476191) equal to 0.126549355 and -0.126549355.

Subproblem 1

x + -0.01190476191 = 0.126549355 Simplifying x + -0.01190476191 = 0.126549355 Reorder the terms: -0.01190476191 + x = 0.126549355 Solving -0.01190476191 + x = 0.126549355 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.01190476191' to each side of the equation. -0.01190476191 + 0.01190476191 + x = 0.126549355 + 0.01190476191 Combine like terms: -0.01190476191 + 0.01190476191 = 0.00000000000 0.00000000000 + x = 0.126549355 + 0.01190476191 x = 0.126549355 + 0.01190476191 Combine like terms: 0.126549355 + 0.01190476191 = 0.13845411691 x = 0.13845411691 Simplifying x = 0.13845411691

Subproblem 2

x + -0.01190476191 = -0.126549355 Simplifying x + -0.01190476191 = -0.126549355 Reorder the terms: -0.01190476191 + x = -0.126549355 Solving -0.01190476191 + x = -0.126549355 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.01190476191' to each side of the equation. -0.01190476191 + 0.01190476191 + x = -0.126549355 + 0.01190476191 Combine like terms: -0.01190476191 + 0.01190476191 = 0.00000000000 0.00000000000 + x = -0.126549355 + 0.01190476191 x = -0.126549355 + 0.01190476191 Combine like terms: -0.126549355 + 0.01190476191 = -0.11464459309 x = -0.11464459309 Simplifying x = -0.11464459309

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.13845411691, -0.11464459309}

See similar equations:

| 27=6-7x | | -(13)-(-7)= | | s^3-4s^2+6s-24=0 | | 4x+20=900 | | 23w-32+41=-6 | | 4(-5x-2)+7x-3= | | 3x+x+4=352 | | P=21x+k^2x | | a+2.7=0.9 | | 5(1-n)+3n=3(n-1)-5 | | 152=11x-13 | | 172+146+2x=2x+26 | | .75-1.25x=.75-1.5x | | 11x-1+5x=6x-36 | | x^2-13x+30=-2x | | 7w+11=8w-5 | | 9b+2=374 | | 7x=2x-6 | | a+27=0.9 | | 9=a/20 | | -12x+22=4(-3x-5) | | 5y-2=-3x+2 | | -8-n=8 | | =(2x^2y)(3xy^3) | | x+4=19-3x | | -12=4-8x | | -0.4x+0.2x-3=5 | | -8-32a=-30a | | Y=mx+3form | | -37=p-13 | | -55+(-8)+(-4)+54= | | a-2+2a=6+a |

Equations solver categories