42x=5x(10x-4)

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Solution for 42x=5x(10x-4) equation:


Simplifying
42x = 5x(10x + -4)

Reorder the terms:
42x = 5x(-4 + 10x)
42x = (-4 * 5x + 10x * 5x)
42x = (-20x + 50x2)

Solving
42x = -20x + 50x2

Solving for variable 'x'.

Combine like terms: 42x + 20x = 62x
62x + -50x2 = -20x + 50x2 + 20x + -50x2

Reorder the terms:
62x + -50x2 = -20x + 20x + 50x2 + -50x2

Combine like terms: -20x + 20x = 0
62x + -50x2 = 0 + 50x2 + -50x2
62x + -50x2 = 50x2 + -50x2

Combine like terms: 50x2 + -50x2 = 0
62x + -50x2 = 0

Factor out the Greatest Common Factor (GCF), '2x'.
2x(31 + -25x) = 0

Ignore the factor 2.

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(31 + -25x)' equal to zero and attempt to solve: Simplifying 31 + -25x = 0 Solving 31 + -25x = 0 Move all terms containing x to the left, all other terms to the right. Add '-31' to each side of the equation. 31 + -31 + -25x = 0 + -31 Combine like terms: 31 + -31 = 0 0 + -25x = 0 + -31 -25x = 0 + -31 Combine like terms: 0 + -31 = -31 -25x = -31 Divide each side by '-25'. x = 1.24 Simplifying x = 1.24

Solution

x = {0, 1.24}

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