(A+4)(a-9)=0

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Solution for (A+4)(a-9)=0 equation:


Simplifying
(A + 4)(a + -9) = 0

Reorder the terms:
(4 + A)(a + -9) = 0

Reorder the terms:
(4 + A)(-9 + a) = 0

Multiply (4 + A) * (-9 + a)
(4(-9 + a) + A(-9 + a)) = 0
((-9 * 4 + a * 4) + A(-9 + a)) = 0
((-36 + 4a) + A(-9 + a)) = 0
(-36 + 4a + (-9 * A + a * A)) = 0
(-36 + 4a + (-9A + aA)) = 0

Reorder the terms:
(-36 + -9A + 4a + aA) = 0
(-36 + -9A + 4a + aA) = 0

Solving
-36 + -9A + 4a + aA = 0

Solving for variable 'A'.

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

Add '36' to each side of the equation.
-36 + -9A + 4a + 36 + aA = 0 + 36

Reorder the terms:
-36 + 36 + -9A + 4a + aA = 0 + 36

Combine like terms: -36 + 36 = 0
0 + -9A + 4a + aA = 0 + 36
-9A + 4a + aA = 0 + 36

Combine like terms: 0 + 36 = 36
-9A + 4a + aA = 36

Add '-4a' to each side of the equation.
-9A + 4a + -4a + aA = 36 + -4a

Combine like terms: 4a + -4a = 0
-9A + 0 + aA = 36 + -4a
-9A + aA = 36 + -4a

Reorder the terms:
-36 + -9A + 4a + aA = 36 + -4a + -36 + 4a

Reorder the terms:
-36 + -9A + 4a + aA = 36 + -36 + -4a + 4a

Combine like terms: 36 + -36 = 0
-36 + -9A + 4a + aA = 0 + -4a + 4a
-36 + -9A + 4a + aA = -4a + 4a

Combine like terms: -4a + 4a = 0
-36 + -9A + 4a + aA = 0

The solution to this equation could not be determined.

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