2x^2-5=15-3x^2

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Solution for 2x^2-5=15-3x^2 equation:


Simplifying
2x2 + -5 = 15 + -3x2

Reorder the terms:
-5 + 2x2 = 15 + -3x2

Solving
-5 + 2x2 = 15 + -3x2

Solving for variable 'x'.

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

Add '3x2' to each side of the equation.
-5 + 2x2 + 3x2 = 15 + -3x2 + 3x2

Combine like terms: 2x2 + 3x2 = 5x2
-5 + 5x2 = 15 + -3x2 + 3x2

Combine like terms: -3x2 + 3x2 = 0
-5 + 5x2 = 15 + 0
-5 + 5x2 = 15

Add '5' to each side of the equation.
-5 + 5 + 5x2 = 15 + 5

Combine like terms: -5 + 5 = 0
0 + 5x2 = 15 + 5
5x2 = 15 + 5

Combine like terms: 15 + 5 = 20
5x2 = 20

Divide each side by '5'.
x2 = 4

Simplifying
x2 = 4

Take the square root of each side:
x = {-2, 2}

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