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

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


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

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

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

Combine like terms: 4x + -21x = -17x
(28 + -17x + -3x2) = 0

Solving
28 + -17x + -3x2 = 0

Solving for variable 'x'.

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


Subproblem 1
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

Subproblem 2
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
Solution
x = {1.333333333, -7}

See similar equations:

| 27+15t+2t^2=0 | | -32=-3u+5(u-8) | | 2sec^2x-1=0 | | 4x-9x+30=4x+39 | | -32=-3u+5(u+8) | | 6-2(3x-2)=-2 | | X-0.6x=200 | | 16x^2-32x+48=0 | | 12(b+2)=8(b-7) | | x/4=-21+x | | 32=-6w+2(w+2) | | -3(2x+1)=4x+8+3x+6 | | 3x+3+3x+3=9x-3 | | -9b=-4k | | 9xf=2.7 | | -4y+2x=20 | | -12+x=x+26 | | -4x+20=-30 | | -5n+4=-3n-10 | | -30=-3y+6(y-2) | | 2x+20=-4y | | 3ax-8b=4x+6a | | 1-3x^2=-8 | | 9y=a+3yx | | 15X+X-25=1+25X | | 4(x-2)-2(x+3)=x-4 | | Sqrt(2x+3)=2 | | 9x+6yx=30 | | 8.1+3.8h-2a=7.2 | | 4y+5=-3+8x | | 5y+3=2x+11 | | 3(x-4)=-x+24 |

Equations solver categories