3x^2+2a-90=0

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Solution for 3x^2+2a-90=0 equation:


Simplifying
3x2 + 2a + -90 = 0

Reorder the terms:
-90 + 2a + 3x2 = 0

Solving
-90 + 2a + 3x2 = 0

Solving for variable 'a'.

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

Add '90' to each side of the equation.
-90 + 2a + 90 + 3x2 = 0 + 90

Reorder the terms:
-90 + 90 + 2a + 3x2 = 0 + 90

Combine like terms: -90 + 90 = 0
0 + 2a + 3x2 = 0 + 90
2a + 3x2 = 0 + 90

Combine like terms: 0 + 90 = 90
2a + 3x2 = 90

Add '-3x2' to each side of the equation.
2a + 3x2 + -3x2 = 90 + -3x2

Combine like terms: 3x2 + -3x2 = 0
2a + 0 = 90 + -3x2
2a = 90 + -3x2

Divide each side by '2'.
a = 45 + -1.5x2

Simplifying
a = 45 + -1.5x2

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