(x+3)(x)=28

Simple and best practice solution for (x+3)(x)=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 (x+3)(x)=28 equation:


Simplifying
(x + 3)(x) = 28

Reorder the terms:
(3 + x)(x) = 28

Reorder the terms for easier multiplication:
x(3 + x) = 28
(3 * x + x * x) = 28
(3x + x2) = 28

Solving
3x + x2 = 28

Solving for variable 'x'.

Reorder the terms:
-28 + 3x + x2 = 28 + -28

Combine like terms: 28 + -28 = 0
-28 + 3x + x2 = 0

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

Subproblem 1

Set the factor '(-7 + -1x)' equal to zero and attempt to solve: Simplifying -7 + -1x = 0 Solving -7 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -1x = 0 + 7 Combine like terms: -7 + 7 = 0 0 + -1x = 0 + 7 -1x = 0 + 7 Combine like terms: 0 + 7 = 7 -1x = 7 Divide each side by '-1'. x = -7 Simplifying x = -7

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 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 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-7, 4}

See similar equations:

| y+9(y-20)=0 | | KNI=[a] | | 2s+4s=6 | | -2y-15=2y+9 | | X+11=22 | | (5x*8)=2x+64 | | 0=2x^2+x-10 | | 4x^3+x^2-2=0 | | 3g+1=-8 | | K-6=20 | | a/3-7=8 | | 2(8y-5)=-3(7-4y) | | 0.2*0.36/0.08*9 | | (W+8)(w-1)=0 | | 24x+5=27x-22 | | 5x-(4x+5)=46 | | (x+1)(x)=12 | | 2a+2b=17 | | 24/3.14=x+23 | | -8(2t+7)=-8 | | X^2+12x-3=9x+1 | | 7b=-9 | | x+6x-72=0 | | 8(s-6)=-132 | | .1535=x+(x+.057)(1.2)(1-.35) | | =13-5 | | X^2-5x-5=1 | | (x+10)(x)=24 | | 6x+7=-2x-17 | | 2x=60-3x | | 6(5-x)=39 | | 12x+8y=80 |

Equations solver categories