(7+x)(3x+4)=0

Simple and best practice solution for (7+x)(3x+4)=0 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 (7+x)(3x+4)=0 equation: 


Simplifying
(7 + x)(3x + 4) = 0

Reorder the terms:
(7 + x)(4 + 3x) = 0

Multiply (7 + x) * (4 + 3x)
(7(4 + 3x) + x(4 + 3x)) = 0
((4 * 7 + 3x * 7) + x(4 + 3x)) = 0
((28 + 21x) + x(4 + 3x)) = 0
(28 + 21x + (4 * x + 3x * x)) = 0
(28 + 21x + (4x + 3x2)) = 0

Combine like terms: 21x + 4x = 25x
(28 + 25x + 3x2) = 0

Solving
28 + 25x + 3x2 = 0

Solving for variable 'x'.

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


Subproblem 1
Set the factor '(7 + x)' equal to zero and attempt to solve:

Simplifying
7 + x = 0

Solving
7 + x = 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 + x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + x = 0 + -7
x = 0 + -7

Combine like terms: 0 + -7 = -7
x = -7

Simplifying
x = -7

Subproblem 2
Set the factor '(4 + 3x)' equal to zero and attempt to solve:

Simplifying
4 + 3x = 0

Solving
4 + 3x = 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 + 3x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 0 + -4
3x = 0 + -4

Combine like terms: 0 + -4 = -4
3x = -4

Divide each side by '3'.
x = -1.333333333

Simplifying
x = -1.333333333
Solution
x = {-7, -1.333333333}

See similar equations:

| 3-13=z/-6 | | -244=-v+8(8v+1) | | 256x^2+91x^2=17445 | | 5z=15-40 | | 14w-18w=32 | | -6(6k-5)+1=463 | | 4+2(x-3)=6x+1 | | 32v= | | 9d-(4d+12)=8 | | 256x^2+91x^2=19516 | | -3(-12n-8)=-336 | | -10(1-9x)-9=-1009 | | (X+2)(x-7)=36 | | x^2-24x+148=12 | | 2w+17=4w+1 | | 275=-5(1-11p)+p | | A^2+3ab+2b^2=0 | | 256x^2+91x^2=16129 | | -4(12+3a)=-132 | | sqrt(3)tan(x+30)=2 | | y^2=6*(6y)^1/2 | | x+30=473 | | 6x-30=3(-5+3x) | | 3*11y= | | x+x=144 | | 5-5(1+5a)=-225 | | 3-3x-36x^2=0 | | A=4b+2 | | 12x^2-12x=7 | | 162-2y^4=0 | | x+x+x+4=16 | | 3m^2-6m-9=0 |

Equations solver categories