(x-4)(7x+12)=

Simple and best practice solution for (x-4)(7x+12)= 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-4)(7x+12)= equation:


Simplifying
(x + -4)(7x + 12) = 0

Reorder the terms:
(-4 + x)(7x + 12) = 0

Reorder the terms:
(-4 + x)(12 + 7x) = 0

Multiply (-4 + x) * (12 + 7x)
(-4(12 + 7x) + x(12 + 7x)) = 0
((12 * -4 + 7x * -4) + x(12 + 7x)) = 0
((-48 + -28x) + x(12 + 7x)) = 0
(-48 + -28x + (12 * x + 7x * x)) = 0
(-48 + -28x + (12x + 7x2)) = 0

Combine like terms: -28x + 12x = -16x
(-48 + -16x + 7x2) = 0

Solving
-48 + -16x + 7x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-12 + -7x)(4 + -1x) = 0

Subproblem 1

Set the factor '(-12 + -7x)' equal to zero and attempt to solve: Simplifying -12 + -7x = 0 Solving -12 + -7x = 0 Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + -7x = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -7x = 0 + 12 -7x = 0 + 12 Combine like terms: 0 + 12 = 12 -7x = 12 Divide each side by '-7'. x = -1.714285714 Simplifying x = -1.714285714

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 = {-1.714285714, 4}

See similar equations:

| -36/-49 | | F(x)=2x^2-3x+2 | | 7z-1= | | 1-4(x+12)=5x-11 | | 3j-j=16 | | 1/3y-51 | | 1-4x-48=5x-11 | | -12+16=m-5 | | 200-2x=100 | | 2y^2+6y-6=0 | | 5+6k-6-h+6-555+k*66=10000 | | 4x-15y-60=0 | | 45x^4+180x^3-225x^2-x-30=0 | | 3t-t+2t+2t=18 | | 8a^2+4ab= | | x/2=70/14 | | d/4=-18 | | 5x^2-1=4x | | k(x)=x^3+7x^2+10x | | y+14= | | 6yx+yx+77y^2+8=727 | | 6x-1-(2x-3)= | | 3h-2h=9 | | 6(z-x)=2x+4 | | -2x-3x=-7 | | cos^2x=4sin^2x | | 3b+16=4 | | 6x+20=4x-72 | | 6y+7-36=55 | | 11x=1.4x | | cos^2x+3sinx=3 | | J+1=9 |

Equations solver categories