(3x-7u-1)(4x+7)=

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Solution for (3x-7u-1)(4x+7)= equation:


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

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

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

Multiply (-1 + -7u + 3x) * (7 + 4x)
(-1(7 + 4x) + -7u * (7 + 4x) + 3x * (7 + 4x)) = 0
((7 * -1 + 4x * -1) + -7u * (7 + 4x) + 3x * (7 + 4x)) = 0
((-7 + -4x) + -7u * (7 + 4x) + 3x * (7 + 4x)) = 0
(-7 + -4x + (7 * -7u + 4x * -7u) + 3x * (7 + 4x)) = 0
(-7 + -4x + (-49u + -28ux) + 3x * (7 + 4x)) = 0
(-7 + -4x + -49u + -28ux + (7 * 3x + 4x * 3x)) = 0
(-7 + -4x + -49u + -28ux + (21x + 12x2)) = 0

Reorder the terms:
(-7 + -49u + -28ux + -4x + 21x + 12x2) = 0

Combine like terms: -4x + 21x = 17x
(-7 + -49u + -28ux + 17x + 12x2) = 0

Solving
-7 + -49u + -28ux + 17x + 12x2 = 0

Solving for variable 'u'.

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

Add '7' to each side of the equation.
-7 + -49u + -28ux + 17x + 7 + 12x2 = 0 + 7

Reorder the terms:
-7 + 7 + -49u + -28ux + 17x + 12x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + -49u + -28ux + 17x + 12x2 = 0 + 7
-49u + -28ux + 17x + 12x2 = 0 + 7

Combine like terms: 0 + 7 = 7
-49u + -28ux + 17x + 12x2 = 7

Add '-17x' to each side of the equation.
-49u + -28ux + 17x + -17x + 12x2 = 7 + -17x

Combine like terms: 17x + -17x = 0
-49u + -28ux + 0 + 12x2 = 7 + -17x
-49u + -28ux + 12x2 = 7 + -17x

Add '-12x2' to each side of the equation.
-49u + -28ux + 12x2 + -12x2 = 7 + -17x + -12x2

Combine like terms: 12x2 + -12x2 = 0
-49u + -28ux + 0 = 7 + -17x + -12x2
-49u + -28ux = 7 + -17x + -12x2

Reorder the terms:
-7 + -49u + -28ux + 17x + 12x2 = 7 + -17x + -12x2 + -7 + 17x + 12x2

Reorder the terms:
-7 + -49u + -28ux + 17x + 12x2 = 7 + -7 + -17x + 17x + -12x2 + 12x2

Combine like terms: 7 + -7 = 0
-7 + -49u + -28ux + 17x + 12x2 = 0 + -17x + 17x + -12x2 + 12x2
-7 + -49u + -28ux + 17x + 12x2 = -17x + 17x + -12x2 + 12x2

Combine like terms: -17x + 17x = 0
-7 + -49u + -28ux + 17x + 12x2 = 0 + -12x2 + 12x2
-7 + -49u + -28ux + 17x + 12x2 = -12x2 + 12x2

Combine like terms: -12x2 + 12x2 = 0
-7 + -49u + -28ux + 17x + 12x2 = 0

The solution to this equation could not be determined.

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