-2x^2+5a+9=0

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Solution for -2x^2+5a+9=0 equation:


Simplifying
-2x2 + 5a + 9 = 0

Reorder the terms:
9 + 5a + -2x2 = 0

Solving
9 + 5a + -2x2 = 0

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + 5a + -9 + -2x2 = 0 + -9

Reorder the terms:
9 + -9 + 5a + -2x2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 5a + -2x2 = 0 + -9
5a + -2x2 = 0 + -9

Combine like terms: 0 + -9 = -9
5a + -2x2 = -9

Add '2x2' to each side of the equation.
5a + -2x2 + 2x2 = -9 + 2x2

Combine like terms: -2x2 + 2x2 = 0
5a + 0 = -9 + 2x2
5a = -9 + 2x2

Divide each side by '5'.
a = -1.8 + 0.4x2

Simplifying
a = -1.8 + 0.4x2

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