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

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Solution for (7-3x)(9-3x)= equation: 


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

Multiply (7 + -3x) * (9 + -3x)
(7(9 + -3x) + -3x * (9 + -3x)) = 0
((9 * 7 + -3x * 7) + -3x * (9 + -3x)) = 0
((63 + -21x) + -3x * (9 + -3x)) = 0
(63 + -21x + (9 * -3x + -3x * -3x)) = 0
(63 + -21x + (-27x + 9x2)) = 0

Combine like terms: -21x + -27x = -48x
(63 + -48x + 9x2) = 0

Solving
63 + -48x + 9x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(21 + -16x + 3x2) = 0

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

Ignore the factor 3.

Subproblem 1
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

Subproblem 2
Set the factor '(3 + -1x)' equal to zero and attempt to solve:

Simplifying
3 + -1x = 0

Solving
3 + -1x = 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 + -1x = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1x = 0 + -3
-1x = 0 + -3

Combine like terms: 0 + -3 = -3
-1x = -3

Divide each side by '-1'.
x = 3

Simplifying
x = 3
Solution
x = {2.333333333, 3}

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