7x(2x-3)=4x(12-3)

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Solution for 7x(2x-3)=4x(12-3) equation:


Simplifying
7x(2x + -3) = 4x(12 + -3)

Reorder the terms:
7x(-3 + 2x) = 4x(12 + -3)
(-3 * 7x + 2x * 7x) = 4x(12 + -3)
(-21x + 14x2) = 4x(12 + -3)

Combine like terms: 12 + -3 = 9
-21x + 14x2 = 4x(9)

Reorder the terms for easier multiplication:
-21x + 14x2 = 4 * 9x

Multiply 4 * 9
-21x + 14x2 = 36x

Solving
-21x + 14x2 = 36x

Solving for variable 'x'.

Reorder the terms:
-21x + -36x + 14x2 = 36x + -36x

Combine like terms: -21x + -36x = -57x
-57x + 14x2 = 36x + -36x

Combine like terms: 36x + -36x = 0
-57x + 14x2 = 0

Factor out the Greatest Common Factor (GCF), 'x'.
x(-57 + 14x) = 0

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 '(-57 + 14x)' equal to zero and attempt to solve: Simplifying -57 + 14x = 0 Solving -57 + 14x = 0 Move all terms containing x to the left, all other terms to the right. Add '57' to each side of the equation. -57 + 57 + 14x = 0 + 57 Combine like terms: -57 + 57 = 0 0 + 14x = 0 + 57 14x = 0 + 57 Combine like terms: 0 + 57 = 57 14x = 57 Divide each side by '14'. x = 4.071428571 Simplifying x = 4.071428571

Solution

x = {0, 4.071428571}

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