2b-2a(5-2a)=-20

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Solution for 2b-2a(5-2a)=-20 equation: 


Simplifying
2b + -2a(5 + -2a) = -20
2b + (5 * -2a + -2a * -2a) = -20
2b + (-10a + 4a2) = -20

Reorder the terms:
-10a + 4a2 + 2b = -20

Solving
-10a + 4a2 + 2b = -20

Solving for variable 'a'.

Reorder the terms:
20 + -10a + 4a2 + 2b = -20 + 20

Combine like terms: -20 + 20 = 0
20 + -10a + 4a2 + 2b = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(10 + -5a + 2a2 + b) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(10 + -5a + 2a2 + b)' equal to zero and attempt to solve:

Simplifying
10 + -5a + 2a2 + b = 0

Solving
10 + -5a + 2a2 + b = 0

The solution to this equation could not be determined.

This subproblem is being ignored because a solution could not be determined.

The solution to this equation could not be determined.

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