3x(5+3x)=15x-4

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Solution for 3x(5+3x)=15x-4 equation:


Simplifying
3x(5 + 3x) = 15x + -4
(5 * 3x + 3x * 3x) = 15x + -4
(15x + 9x2) = 15x + -4

Reorder the terms:
15x + 9x2 = -4 + 15x

Add '-15x' to each side of the equation.
15x + -15x + 9x2 = -4 + 15x + -15x

Combine like terms: 15x + -15x = 0
0 + 9x2 = -4 + 15x + -15x
9x2 = -4 + 15x + -15x

Combine like terms: 15x + -15x = 0
9x2 = -4 + 0
9x2 = -4

Solving
9x2 = -4

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '9'.
x2 = -0.4444444444

Simplifying
x2 = -0.4444444444

Reorder the terms:
0.4444444444 + x2 = -0.4444444444 + 0.4444444444

Combine like terms: -0.4444444444 + 0.4444444444 = 0.0000000000
0.4444444444 + x2 = 0.0000000000

The solution to this equation could not be determined.

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