x^2+ax-9=0

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


Simplifying
x2 + ax + -9 = 0

Reorder the terms:
-9 + ax + x2 = 0

Solving
-9 + ax + x2 = 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 + ax + 9 + x2 = 0 + 9

Reorder the terms:
-9 + 9 + ax + x2 = 0 + 9

Combine like terms: -9 + 9 = 0
0 + ax + x2 = 0 + 9
ax + x2 = 0 + 9

Combine like terms: 0 + 9 = 9
ax + x2 = 9

Add '-1x2' to each side of the equation.
ax + x2 + -1x2 = 9 + -1x2

Combine like terms: x2 + -1x2 = 0
ax + 0 = 9 + -1x2
ax = 9 + -1x2

Divide each side by 'x'.
a = 9x-1 + -1x

Simplifying
a = 9x-1 + -1x

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