1A*1A=9A

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Solution for 1A*1A=9A equation:


Simplifying
1A * 1A = 9A

Reorder the terms for easier multiplication:
1 * 1A * A = 9A

Multiply 1 * 1
1A * A = 9A

Multiply A * A
1A2 = 9A

Solving
1A2 = 9A

Solving for variable 'A'.

Reorder the terms:
-9A + 1A2 = 9A + -9A

Combine like terms: 9A + -9A = 0
-9A + 1A2 = 0

Factor out the Greatest Common Factor (GCF), 'A'.
A(-9 + A) = 0

Subproblem 1

Set the factor 'A' equal to zero and attempt to solve: Simplifying A = 0 Solving A = 0 Move all terms containing A to the left, all other terms to the right. Simplifying A = 0

Subproblem 2

Set the factor '(-9 + A)' equal to zero and attempt to solve: Simplifying -9 + A = 0 Solving -9 + A = 0 Move all terms containing A to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 9 + A = 0 + 9 Combine like terms: -9 + 9 = 0 0 + A = 0 + 9 A = 0 + 9 Combine like terms: 0 + 9 = 9 A = 9 Simplifying A = 9

Solution

A = {0, 9}

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