(9x-7)(2x+4)=0

Simple and best practice solution for (9x-7)(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 (9x-7)(2x+4)=0 equation: 


Simplifying
(9x + -7)(2x + 4) = 0

Reorder the terms:
(-7 + 9x)(2x + 4) = 0

Reorder the terms:
(-7 + 9x)(4 + 2x) = 0

Multiply (-7 + 9x) * (4 + 2x)
(-7(4 + 2x) + 9x * (4 + 2x)) = 0
((4 * -7 + 2x * -7) + 9x * (4 + 2x)) = 0
((-28 + -14x) + 9x * (4 + 2x)) = 0
(-28 + -14x + (4 * 9x + 2x * 9x)) = 0
(-28 + -14x + (36x + 18x2)) = 0

Combine like terms: -14x + 36x = 22x
(-28 + 22x + 18x2) = 0

Solving
-28 + 22x + 18x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-14 + 11x + 9x2) = 0

Factor a trinomial.
2((-2 + -1x)(7 + -9x)) = 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 '(7 + -9x)' equal to zero and attempt to solve:

Simplifying
7 + -9x = 0

Solving
7 + -9x = 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 + -9x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -9x = 0 + -7
-9x = 0 + -7

Combine like terms: 0 + -7 = -7
-9x = -7

Divide each side by '-9'.
x = 0.7777777778

Simplifying
x = 0.7777777778
Solution
x = {-2, 0.7777777778}

See similar equations:

| 4x-1.333333333=-6 | | log[2](12x+5)=3+log[2](x+4) | | 2(x-3)-1=6(x-8) | | 32=-121-y | | 10=22-6(2-5w) | | 5+-2x=29 | | h+5h+2h+7h= | | x^2+.853x-.087006=0 | | 9x+10x+12(2x+1)=18 | | 4+3h+4h=100 | | 12+5w=-58 | | 7.5+2y=8 | | 4x+6y=920 | | 25x+5y=30 | | 16(x+1)(3x+2)=0 | | 3p+4p+37=79 | | 8n^2+4n=1 | | G=.666666666666666666666666666666666666666666666666666666666*75 | | 7w-14=w | | -10w+12+5w=-58 | | (2x+3)-(3x+7)= | | 8n(5n-2)=0 | | -5(2+7m)=-80 | | 8x-(5x+6)=4x-41 | | 6x(3+2a)=42 | | 70=.66666666666666666666666666666666*M | | 20x-(2x-8)=98 | | lx-2l=lx+6l | | 26=2(n+8) | | 9m+8=2-7m | | 10n-7n+14=5n-12 | | 8500=13000-1300x |

Equations solver categories