3x^2=2(5x+4)

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Solution for 3x^2=2(5x+4) equation:


Simplifying
3x2 = 2(5x + 4)

Reorder the terms:
3x2 = 2(4 + 5x)
3x2 = (4 * 2 + 5x * 2)
3x2 = (8 + 10x)

Solving
3x2 = 8 + 10x

Solving for variable 'x'.

Reorder the terms:
-8 + -10x + 3x2 = 8 + 10x + -8 + -10x

Reorder the terms:
-8 + -10x + 3x2 = 8 + -8 + 10x + -10x

Combine like terms: 8 + -8 = 0
-8 + -10x + 3x2 = 0 + 10x + -10x
-8 + -10x + 3x2 = 10x + -10x

Combine like terms: 10x + -10x = 0
-8 + -10x + 3x2 = 0

Factor a trinomial.
(-2 + -3x)(4 + -1x) = 0

Subproblem 1

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

Subproblem 2

Set the factor '(4 + -1x)' equal to zero and attempt to solve: Simplifying 4 + -1x = 0 Solving 4 + -1x = 0 Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1x = 0 + -4 -1x = 0 + -4 Combine like terms: 0 + -4 = -4 -1x = -4 Divide each side by '-1'. x = 4 Simplifying x = 4

Solution

x = {-0.6666666667, 4}

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