(4x-7)(3-x)=0

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Solution for (4x-7)(3-x)=0 equation: 


Simplifying
(4x + -7)(3 + -1x) = 0

Reorder the terms:
(-7 + 4x)(3 + -1x) = 0

Multiply (-7 + 4x) * (3 + -1x)
(-7(3 + -1x) + 4x * (3 + -1x)) = 0
((3 * -7 + -1x * -7) + 4x * (3 + -1x)) = 0
((-21 + 7x) + 4x * (3 + -1x)) = 0
(-21 + 7x + (3 * 4x + -1x * 4x)) = 0
(-21 + 7x + (12x + -4x2)) = 0

Combine like terms: 7x + 12x = 19x
(-21 + 19x + -4x2) = 0

Solving
-21 + 19x + -4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(-3 + x)(7 + -4x) = 0


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

Simplifying
-3 + x = 0

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

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

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

Simplifying
x = 3

Subproblem 2
Set the factor '(7 + -4x)' equal to zero and attempt to solve:

Simplifying
7 + -4x = 0

Solving
7 + -4x = 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 + -4x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -4x = 0 + -7
-4x = 0 + -7

Combine like terms: 0 + -7 = -7
-4x = -7

Divide each side by '-4'.
x = 1.75

Simplifying
x = 1.75
Solution
x = {3, 1.75}

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