5x^2+4x=28

Simple and best practice solution for 5x^2+4x=28 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 5x^2+4x=28 equation:


Simplifying
5x2 + 4x = 28

Reorder the terms:
4x + 5x2 = 28

Solving
4x + 5x2 = 28

Solving for variable 'x'.

Reorder the terms:
-28 + 4x + 5x2 = 28 + -28

Combine like terms: 28 + -28 = 0
-28 + 4x + 5x2 = 0

Factor a trinomial.
(-14 + -5x)(2 + -1x) = 0

Subproblem 1

Set the factor '(-14 + -5x)' equal to zero and attempt to solve: Simplifying -14 + -5x = 0 Solving -14 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '14' to each side of the equation. -14 + 14 + -5x = 0 + 14 Combine like terms: -14 + 14 = 0 0 + -5x = 0 + 14 -5x = 0 + 14 Combine like terms: 0 + 14 = 14 -5x = 14 Divide each side by '-5'. x = -2.8 Simplifying x = -2.8

Subproblem 2

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

Solution

x = {-2.8, 2}

See similar equations:

| 3x+27=10x-29 | | (25x^4-9x^2-36)=0 | | y=12-12x+x^3 | | -6b-27=-7(b+3) | | (7x-3)(5x+4)=0 | | s^2-10s+17=0 | | 4(w+6)=3(w+1) | | (7x-3)(5x-4)=0 | | 3(9+4x)=-105 | | 3x+2x+10= | | 7x-3x-x= | | 2[x-(-3-x)-3x]=4(5-x) | | 4x+12=-13 | | 131-6x=30x+19 | | 10-8x=37-15x | | 12-6x=54 | | w^2-14w+49=25 | | 21=4x+5 | | 12x=6x+42 | | -17+c=-20 | | 2x+(4-3x)= | | -17-c=-20 | | x^2+18x+81=14 | | 6a^5b^5+3ab^3-9ab^7= | | 6-2x+5=0 | | x^2+18x+81=-67 | | 5(x+8)= | | 2(x-12)=-2(4x-3) | | 6x+72=-3x | | -7a+2+10a-19=9a+1 | | 32-5=3v+8 | | 11-4k=-3k+5 |

Equations solver categories