2x^2-a-15=

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Solution for 2x^2-a-15= equation:


Simplifying
2x2 + -1a + -15 = 0

Reorder the terms:
-15 + -1a + 2x2 = 0

Solving
-15 + -1a + 2x2 = 0

Solving for variable 'a'.

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

Add '15' to each side of the equation.
-15 + -1a + 15 + 2x2 = 0 + 15

Reorder the terms:
-15 + 15 + -1a + 2x2 = 0 + 15

Combine like terms: -15 + 15 = 0
0 + -1a + 2x2 = 0 + 15
-1a + 2x2 = 0 + 15

Combine like terms: 0 + 15 = 15
-1a + 2x2 = 15

Add '-2x2' to each side of the equation.
-1a + 2x2 + -2x2 = 15 + -2x2

Combine like terms: 2x2 + -2x2 = 0
-1a + 0 = 15 + -2x2
-1a = 15 + -2x2

Divide each side by '-1'.
a = -15 + 2x2

Simplifying
a = -15 + 2x2

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