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

Simple and best practice solution for (9+x)(3x-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 (9+x)(3x-7)=0 equation: 


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

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

Multiply (9 + x) * (-7 + 3x)
(9(-7 + 3x) + x(-7 + 3x)) = 0
((-7 * 9 + 3x * 9) + x(-7 + 3x)) = 0
((-63 + 27x) + x(-7 + 3x)) = 0
(-63 + 27x + (-7 * x + 3x * x)) = 0
(-63 + 27x + (-7x + 3x2)) = 0

Combine like terms: 27x + -7x = 20x
(-63 + 20x + 3x2) = 0

Solving
-63 + 20x + 3x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-9 + -1x)(7 + -3x) = 0


Subproblem 1
Set the factor '(-9 + -1x)' equal to zero and attempt to solve:

Simplifying
-9 + -1x = 0

Solving
-9 + -1x = 0

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

Add '9' to each side of the equation.
-9 + 9 + -1x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + -1x = 0 + 9
-1x = 0 + 9

Combine like terms: 0 + 9 = 9
-1x = 9

Divide each side by '-1'.
x = -9

Simplifying
x = -9

Subproblem 2
Set the factor '(7 + -3x)' equal to zero and attempt to solve:

Simplifying
7 + -3x = 0

Solving
7 + -3x = 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 + -3x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -3x = 0 + -7
-3x = 0 + -7

Combine like terms: 0 + -7 = -7
-3x = -7

Divide each side by '-3'.
x = 2.333333333

Simplifying
x = 2.333333333
Solution
x = {-9, 2.333333333}

See similar equations:

| 8-[15-(7+(-20))]= | | a-c=5 | | 33x^2y^2+44xy^3-11y= | | 4=x/5-3 | | 6x+52=11x+2 | | 122+4(7-5)= | | 29(n+5)=-2 | | 8-[15-(7+(20))]= | | 15x^5-18= | | a+c=25 | | 84-6x=7 | | .33x+.66x=-14 | | .8x-.4y=2 | | v+y/3=8 | | a+c= | | -3x-2=17 | | a/2+1=-3 | | .5x+4=-3 | | -4=r/20-20 | | 1/4x+8=6 | | (4-(-4)*(-3))*6= | | -6x^2-5x+1=0 | | (2t-7)(6t+1)= | | 15-x=0 | | 2x+x+10+x=118 | | 5x-3x^2/2x^4 | | 2x-15=55 | | n/5 | | n/5+3 | | -a+10=2 | | 7(p-7)=-8p+26 | | 2x+x+22+x=178 |

Equations solver categories