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

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Solution for (2x-7)(x-4)=0 equation: 


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

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

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

Multiply (-7 + 2x) * (-4 + x)
(-7(-4 + x) + 2x * (-4 + x)) = 0
((-4 * -7 + x * -7) + 2x * (-4 + x)) = 0
((28 + -7x) + 2x * (-4 + x)) = 0
(28 + -7x + (-4 * 2x + x * 2x)) = 0
(28 + -7x + (-8x + 2x2)) = 0

Combine like terms: -7x + -8x = -15x
(28 + -15x + 2x2) = 0

Solving
28 + -15x + 2x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -2x)(4 + -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 '(4 + -1x)' equal to zero and attempt to solve:

Simplifying
4 + -1x = 0

Solving
4 + -1x = 0

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

Add '-4' to each side of the equation.
4 + -4 + -1x = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -1x = 0 + -4
-1x = 0 + -4

Combine like terms: 0 + -4 = -4
-1x = -4

Divide each side by '-1'.
x = 4

Simplifying
x = 4
Solution
x = {3.5, 4}

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