4(x+8)=15x^2

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Solution for 4(x+8)=15x^2 equation:


Simplifying
4(x + 8) = 15x2

Reorder the terms:
4(8 + x) = 15x2
(8 * 4 + x * 4) = 15x2
(32 + 4x) = 15x2

Solving
32 + 4x = 15x2

Solving for variable 'x'.

Combine like terms: 15x2 + -15x2 = 0
32 + 4x + -15x2 = 0

Factor a trinomial.
(8 + -5x)(4 + 3x) = 0

Subproblem 1

Set the factor '(8 + -5x)' equal to zero and attempt to solve: Simplifying 8 + -5x = 0 Solving 8 + -5x = 0 Move all terms containing x to the left, all other terms to the right. Add '-8' to each side of the equation. 8 + -8 + -5x = 0 + -8 Combine like terms: 8 + -8 = 0 0 + -5x = 0 + -8 -5x = 0 + -8 Combine like terms: 0 + -8 = -8 -5x = -8 Divide each side by '-5'. x = 1.6 Simplifying x = 1.6

Subproblem 2

Set the factor '(4 + 3x)' equal to zero and attempt to solve: Simplifying 4 + 3x = 0 Solving 4 + 3x = 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 + 3x = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 3x = 0 + -4 3x = 0 + -4 Combine like terms: 0 + -4 = -4 3x = -4 Divide each side by '3'. x = -1.333333333 Simplifying x = -1.333333333

Solution

x = {1.6, -1.333333333}

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