28=2x^2+3x+1

Simple and best practice solution for 28=2x^2+3x+1 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 28=2x^2+3x+1 equation:


Simplifying
28 = 2x2 + 3x + 1

Reorder the terms:
28 = 1 + 3x + 2x2

Solving
28 = 1 + 3x + 2x2

Solving for variable 'x'.

Combine like terms: 28 + -1 = 27
27 + -3x + -2x2 = 1 + 3x + 2x2 + -1 + -3x + -2x2

Reorder the terms:
27 + -3x + -2x2 = 1 + -1 + 3x + -3x + 2x2 + -2x2

Combine like terms: 1 + -1 = 0
27 + -3x + -2x2 = 0 + 3x + -3x + 2x2 + -2x2
27 + -3x + -2x2 = 3x + -3x + 2x2 + -2x2

Combine like terms: 3x + -3x = 0
27 + -3x + -2x2 = 0 + 2x2 + -2x2
27 + -3x + -2x2 = 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
27 + -3x + -2x2 = 0

Factor a trinomial.
(3 + -1x)(9 + 2x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(9 + 2x)' equal to zero and attempt to solve: Simplifying 9 + 2x = 0 Solving 9 + 2x = 0 Move all terms containing x to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 2x = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 2x = 0 + -9 2x = 0 + -9 Combine like terms: 0 + -9 = -9 2x = -9 Divide each side by '2'. x = -4.5 Simplifying x = -4.5

Solution

x = {3, -4.5}

See similar equations:

| 2.7b=7.29 | | 72.9b=2.7 | | x^5*x^7= | | 64=36/x | | x^2-4ax-1=0 | | 2z^2=7z-3 | | 2x^2=27x+45 | | -7n+3n=36 | | y+4=.5(x+7) | | 4x+2y=230 | | 7n+3n=36 | | y^2-8y+28=3y | | x+y=-64 | | x^2-7x+28=3x+4 | | 12=115/0.25-E | | 1-4m=6m+5 | | 3(2m+1)=17+m | | 0=t^2-22t+21 | | 4,3x+12=5,7x+33 | | 12=115-E/0.25 | | y-0=1.2(x+5) | | 4x-13x+9=0 | | y^2=15-2y | | 8m+10=2m-5 | | y-4=7(x+4) | | 5x-16=2(2x-1)-7 | | 40x+5y=20 | | y^2-4x+6y+13=0 | | 4sinx-1=-5 | | 3a^4*2a^5= | | 3/4x-3/5 | | 3/4*-3/5 |

Equations solver categories