(x-3)(7-2x)=0

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Solution for (x-3)(7-2x)=0 equation: 


Simplifying
(x + -3)(7 + -2x) = 0

Reorder the terms:
(-3 + x)(7 + -2x) = 0

Multiply (-3 + x) * (7 + -2x)
(-3(7 + -2x) + x(7 + -2x)) = 0
((7 * -3 + -2x * -3) + x(7 + -2x)) = 0
((-21 + 6x) + x(7 + -2x)) = 0
(-21 + 6x + (7 * x + -2x * x)) = 0
(-21 + 6x + (7x + -2x2)) = 0

Combine like terms: 6x + 7x = 13x
(-21 + 13x + -2x2) = 0

Solving
-21 + 13x + -2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-7 + 2x)(3 + -1x) = 0


Subproblem 1
Set the factor '(-7 + 2x)' equal to zero and attempt to solve:

Simplifying
-7 + 2x = 0

Solving
-7 + 2x = 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 + 2x = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 0 + 7
2x = 0 + 7

Combine like terms: 0 + 7 = 7
2x = 7

Divide each side by '2'.
x = 3.5

Simplifying
x = 3.5

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 = {3.5, 3}

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