(3x-30)(x-10)=0

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Solution for (3x-30)(x-10)=0 equation:


Simplifying
(3x + -30)(x + -10) = 0

Reorder the terms:
(-30 + 3x)(x + -10) = 0

Reorder the terms:
(-30 + 3x)(-10 + x) = 0

Multiply (-30 + 3x) * (-10 + x)
(-30(-10 + x) + 3x * (-10 + x)) = 0
((-10 * -30 + x * -30) + 3x * (-10 + x)) = 0
((300 + -30x) + 3x * (-10 + x)) = 0
(300 + -30x + (-10 * 3x + x * 3x)) = 0
(300 + -30x + (-30x + 3x2)) = 0

Combine like terms: -30x + -30x = -60x
(300 + -60x + 3x2) = 0

Solving
300 + -60x + 3x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '3'.
3(100 + -20x + x2) = 0

Factor a trinomial.
3((10 + -1x)(10 + -1x)) = 0

Ignore the factor 3.

Subproblem 1

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Subproblem 2

Set the factor '(10 + -1x)' equal to zero and attempt to solve: Simplifying 10 + -1x = 0 Solving 10 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-10' to each side of the equation. 10 + -10 + -1x = 0 + -10 Combine like terms: 10 + -10 = 0 0 + -1x = 0 + -10 -1x = 0 + -10 Combine like terms: 0 + -10 = -10 -1x = -10 Divide each side by '-1'. x = 10 Simplifying x = 10

Solution

x = {10, 10}

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