5-7(a^2)+3a^2-7=

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Solution for 5-7(a^2)+3a^2-7= equation:


Simplifying
5 + -7(a2) + 3a2 + -7 = 0

Reorder the terms:
5 + -7 + -7a2 + 3a2 = 0

Combine like terms: 5 + -7 = -2
-2 + -7a2 + 3a2 = 0

Combine like terms: -7a2 + 3a2 = -4a2
-2 + -4a2 = 0

Solving
-2 + -4a2 = 0

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + -4a2 = 0 + 2

Combine like terms: -2 + 2 = 0
0 + -4a2 = 0 + 2
-4a2 = 0 + 2

Combine like terms: 0 + 2 = 2
-4a2 = 2

Divide each side by '-4'.
a2 = -0.5

Simplifying
a2 = -0.5

Reorder the terms:
0.5 + a2 = -0.5 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.5 + a2 = 0.0

The solution to this equation could not be determined.

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