(3x+4x)(4x-20x)=50

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Solution for (3x+4x)(4x-20x)=50 equation:


Simplifying
(3x + 4x)(4x + -20x) = 50

Combine like terms: 3x + 4x = 7x
(7x)(4x + -20x) = 50

Remove parenthesis around (7x)
7x(4x + -20x) = 50

Combine like terms: 4x + -20x = -16x
7x(-16x) = 50

Remove parenthesis around (-16x)
7x * -16x = 50

Reorder the terms for easier multiplication:
7 * -16x * x = 50

Multiply 7 * -16
-112x * x = 50

Multiply x * x
-112x2 = 50

Solving
-112x2 = 50

Solving for variable 'x'.

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

Divide each side by '-112'.
x2 = -0.4464285714

Simplifying
x2 = -0.4464285714

Reorder the terms:
0.4464285714 + x2 = -0.4464285714 + 0.4464285714

Combine like terms: -0.4464285714 + 0.4464285714 = 0.0000000000
0.4464285714 + x2 = 0.0000000000

The solution to this equation could not be determined.

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