(x-7)(4x-7)=

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


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

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

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

Multiply (-7 + x) * (-7 + 4x)
(-7(-7 + 4x) + x(-7 + 4x)) = 0
((-7 * -7 + 4x * -7) + x(-7 + 4x)) = 0
((49 + -28x) + x(-7 + 4x)) = 0
(49 + -28x + (-7 * x + 4x * x)) = 0
(49 + -28x + (-7x + 4x2)) = 0

Combine like terms: -28x + -7x = -35x
(49 + -35x + 4x2) = 0

Solving
49 + -35x + 4x2 = 0

Solving for variable 'x'.

Factor a trinomial.
(7 + -4x)(7 + -1x) = 0


Subproblem 1
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

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

Simplifying
7 + -1x = 0

Solving
7 + -1x = 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 + -1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + -1x = 0 + -7
-1x = 0 + -7

Combine like terms: 0 + -7 = -7
-1x = -7

Divide each side by '-1'.
x = 7

Simplifying
x = 7
Solution
x = {1.75, 7}

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