2+8a^2-a^2+7=

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Solution for 2+8a^2-a^2+7= equation:


Simplifying
2 + 8a2 + -1a2 + 7 = 0

Reorder the terms:
2 + 7 + 8a2 + -1a2 = 0

Combine like terms: 2 + 7 = 9
9 + 8a2 + -1a2 = 0

Combine like terms: 8a2 + -1a2 = 7a2
9 + 7a2 = 0

Solving
9 + 7a2 = 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 + -9 + 7a2 = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 7a2 = 0 + -9
7a2 = 0 + -9

Combine like terms: 0 + -9 = -9
7a2 = -9

Divide each side by '7'.
a2 = -1.285714286

Simplifying
a2 = -1.285714286

Reorder the terms:
1.285714286 + a2 = -1.285714286 + 1.285714286

Combine like terms: -1.285714286 + 1.285714286 = 0.000000000
1.285714286 + a2 = 0.000000000

The solution to this equation could not be determined.

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