(7x-5)(2x+4)=0

Simple and best practice solution for (7x-5)(2x+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 (7x-5)(2x+4)=0 equation: 


Simplifying
(7x + -5)(2x + 4) = 0

Reorder the terms:
(-5 + 7x)(2x + 4) = 0

Reorder the terms:
(-5 + 7x)(4 + 2x) = 0

Multiply (-5 + 7x) * (4 + 2x)
(-5(4 + 2x) + 7x * (4 + 2x)) = 0
((4 * -5 + 2x * -5) + 7x * (4 + 2x)) = 0
((-20 + -10x) + 7x * (4 + 2x)) = 0
(-20 + -10x + (4 * 7x + 2x * 7x)) = 0
(-20 + -10x + (28x + 14x2)) = 0

Combine like terms: -10x + 28x = 18x
(-20 + 18x + 14x2) = 0

Solving
-20 + 18x + 14x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-10 + 9x + 7x2) = 0

Factor a trinomial.
2((-2 + -1x)(5 + -7x)) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-2 + -1x)' equal to zero and attempt to solve:

Simplifying
-2 + -1x = 0

Solving
-2 + -1x = 0

Move all terms containing x to the left, all other terms to the right.

Add '2' to each side of the equation.
-2 + 2 + -1x = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -1x = 0 + 2
-1x = 0 + 2

Combine like terms: 0 + 2 = 2
-1x = 2

Divide each side by '-1'.
x = -2

Simplifying
x = -2

Subproblem 2
Set the factor '(5 + -7x)' equal to zero and attempt to solve:

Simplifying
5 + -7x = 0

Solving
5 + -7x = 0

Move all terms containing x to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + -7x = 0 + -5

Combine like terms: 5 + -5 = 0
0 + -7x = 0 + -5
-7x = 0 + -5

Combine like terms: 0 + -5 = -5
-7x = -5

Divide each side by '-7'.
x = 0.7142857143

Simplifying
x = 0.7142857143
Solution
x = {-2, 0.7142857143}

See similar equations:

| s=C+H+t | | 16x=200 | | 12y+12x=12-4+2x | | -7+9x=7x+13 | | .10x=14 | | 7(-9x-33)=-24 | | (1-i)*3=0 | | 125=(8.75)(1.75)(t) | | x-5/6x-4=1 | | (y+1)+2y=10 | | 24x=.40 | | 9h+11-39=(11000h)5988 | | 18=-4x+7(-x+12) | | 4-(9/2)=x | | -27t+40t=-39 | | x-27=-4x+23 | | 5x-10n+7x= | | x-12=72 | | 29=r+11+8r | | 9(7x+11)=-5 | | .8x=2 | | -14=-5w-29 | | -15/12x=-1.2 | | -13.3y+7.76-2.02=11.68-16.6y | | X^2-10x=10x | | 15x=.30 | | X^2+3=21 | | X+50+x+50+x+50+x+50+x+x+x=900 | | x+3=-5-5 | | 3y=6-12 | | 4-9/2=x | | 75x=6 |

Equations solver categories