-9=a(-2+6)(-2-2)

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Solution for -9=a(-2+6)(-2-2) equation:


Simplifying
-9 = a(-2 + 6)(-2 + -2)

Combine like terms: -2 + 6 = 4
-9 = a(4)(-2 + -2)

Combine like terms: -2 + -2 = -4
-9 = a * 4(-4)

Reorder the terms for easier multiplication:
-9 = 4 * -4a

Multiply 4 * -4
-9 = -16a

Solving
-9 = -16a

Solving for variable 'a'.

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

Add '16a' to each side of the equation.
-9 + 16a = -16a + 16a

Combine like terms: -16a + 16a = 0
-9 + 16a = 0

Add '9' to each side of the equation.
-9 + 9 + 16a = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 16a = 0 + 9
16a = 0 + 9

Combine like terms: 0 + 9 = 9
16a = 9

Divide each side by '16'.
a = 0.5625

Simplifying
a = 0.5625

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