2x(x+3)=2x^2+15

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Solution for 2x(x+3)=2x^2+15 equation: 


Simplifying
2x(x + 3) = 2x2 + 15

Reorder the terms:
2x(3 + x) = 2x2 + 15
(3 * 2x + x * 2x) = 2x2 + 15
(6x + 2x2) = 2x2 + 15

Reorder the terms:
6x + 2x2 = 15 + 2x2

Add '-2x2' to each side of the equation.
6x + 2x2 + -2x2 = 15 + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
6x + 0 = 15 + 2x2 + -2x2
6x = 15 + 2x2 + -2x2

Combine like terms: 2x2 + -2x2 = 0
6x = 15 + 0
6x = 15

Solving
6x = 15

Solving for variable 'x'.

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

Divide each side by '6'.
x = 2.5

Simplifying
x = 2.5

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