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

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


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

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

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

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

Combine like terms: -28x + 21x = -7x
(-21 + -7x + 28x2) = 0

Solving
-21 + -7x + 28x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '7'.
7(-3 + -1x + 4x2) = 0

Factor a trinomial.
7((-3 + -4x)(1 + -1x)) = 0

Ignore the factor 7.

Subproblem 1

Set the factor '(-3 + -4x)' equal to zero and attempt to solve: Simplifying -3 + -4x = 0 Solving -3 + -4x = 0 Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + -4x = 0 + 3 Combine like terms: -3 + 3 = 0 0 + -4x = 0 + 3 -4x = 0 + 3 Combine like terms: 0 + 3 = 3 -4x = 3 Divide each side by '-4'. x = -0.75 Simplifying x = -0.75

Subproblem 2

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

Solution

x = {-0.75, 1}

See similar equations:

| 7+3lnx=15 | | 28/9=5/c | | 4(a+6)=8 | | 2/3(6x-9=-34 | | 1/2(3k-12)=48 | | 0.7(6-5x)=10-(5x+6) | | p^2+24p+63= | | 105+2x-11=180 | | 4(x+2)+2x=40 | | 4y-42+2y=180 | | 12(3+4h)=-20 | | 2tgx+x-1=0 | | 4(x+2x)+2x=40 | | 7z-6z=9 | | 5x/y=18,5 | | 27=r^(3/4) | | 3x+2y=131 | | 12k-7k=20 | | 55=-4x-9 | | 3x=520 | | (5x-4)1/2-x=0 | | 8w=5760 | | v/10=9 | | h(t)=56t-16t^2+4 | | 5x+12=3z | | 3(x+5)=-10 | | 4(k+5)=2-(9k-4) | | 7(x+4)=19 | | 3.5/13=s/51 | | (49/16)^(1/2) | | -3(x-4)=x+4 | | 44=7j-5 |

Equations solver categories