40x=30x(x+2)

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Solution for 40x=30x(x+2) equation:


Simplifying
40x = 30x(x + 2)

Reorder the terms:
40x = 30x(2 + x)
40x = (2 * 30x + x * 30x)
40x = (60x + 30x2)

Solving
40x = 60x + 30x2

Solving for variable 'x'.

Combine like terms: 40x + -60x = -20x
-20x + -30x2 = 60x + 30x2 + -60x + -30x2

Reorder the terms:
-20x + -30x2 = 60x + -60x + 30x2 + -30x2

Combine like terms: 60x + -60x = 0
-20x + -30x2 = 0 + 30x2 + -30x2
-20x + -30x2 = 30x2 + -30x2

Combine like terms: 30x2 + -30x2 = 0
-20x + -30x2 = 0

Factor out the Greatest Common Factor (GCF), '-10x'.
-10x(2 + 3x) = 0

Ignore the factor -10.

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 '(2 + 3x)' equal to zero and attempt to solve: Simplifying 2 + 3x = 0 Solving 2 + 3x = 0 Move all terms containing x to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 3x = 0 + -2 Combine like terms: 2 + -2 = 0 0 + 3x = 0 + -2 3x = 0 + -2 Combine like terms: 0 + -2 = -2 3x = -2 Divide each side by '3'. x = -0.6666666667 Simplifying x = -0.6666666667

Solution

x = {0, -0.6666666667}

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