(9a-b)(9a-b)=

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Solution for (9a-b)(9a-b)= equation:


Simplifying
(9a + -1b)(9a + -1b) = 0

Multiply (9a + -1b) * (9a + -1b)
(9a * (9a + -1b) + -1b * (9a + -1b)) = 0
((9a * 9a + -1b * 9a) + -1b * (9a + -1b)) = 0

Reorder the terms:
((-9ab + 81a2) + -1b * (9a + -1b)) = 0
((-9ab + 81a2) + -1b * (9a + -1b)) = 0
(-9ab + 81a2 + (9a * -1b + -1b * -1b)) = 0
(-9ab + 81a2 + (-9ab + 1b2)) = 0

Reorder the terms:
(-9ab + -9ab + 81a2 + 1b2) = 0

Combine like terms: -9ab + -9ab = -18ab
(-18ab + 81a2 + 1b2) = 0

Solving
-18ab + 81a2 + 1b2 = 0

Solving for variable 'a'.

Factor a trinomial.
(9a + -1b)(9a + -1b) = 0

Subproblem 1

Set the factor '(9a + -1b)' equal to zero and attempt to solve: Simplifying 9a + -1b = 0 Solving 9a + -1b = 0 Move all terms containing a to the left, all other terms to the right. Add 'b' to each side of the equation. 9a + -1b + b = 0 + b Combine like terms: -1b + b = 0 9a + 0 = 0 + b 9a = 0 + b Remove the zero: 9a = b Divide each side by '9'. a = 0.1111111111b Simplifying a = 0.1111111111b

Subproblem 2

Set the factor '(9a + -1b)' equal to zero and attempt to solve: Simplifying 9a + -1b = 0 Solving 9a + -1b = 0 Move all terms containing a to the left, all other terms to the right. Add 'b' to each side of the equation. 9a + -1b + b = 0 + b Combine like terms: -1b + b = 0 9a + 0 = 0 + b 9a = 0 + b Remove the zero: 9a = b Divide each side by '9'. a = 0.1111111111b Simplifying a = 0.1111111111b

Solution

a = {0.1111111111b, 0.1111111111b}

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