2x^2-7x^2-15=0

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Solution for 2x^2-7x^2-15=0 equation:


Simplifying
2x2 + -7x2 + -15 = 0

Reorder the terms:
-15 + 2x2 + -7x2 = 0

Combine like terms: 2x2 + -7x2 = -5x2
-15 + -5x2 = 0

Solving
-15 + -5x2 = 0

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + -5x2 = 0 + 15

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

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

Divide each side by '-5'.
x2 = -3

Simplifying
x2 = -3

Reorder the terms:
3 + x2 = -3 + 3

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

The solution to this equation could not be determined.

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