(4a-9)(4a-9)=

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Solution for (4a-9)(4a-9)= equation:


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

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

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

Multiply (-9 + 4a) * (-9 + 4a)
(-9(-9 + 4a) + 4a * (-9 + 4a)) = 0
((-9 * -9 + 4a * -9) + 4a * (-9 + 4a)) = 0
((81 + -36a) + 4a * (-9 + 4a)) = 0
(81 + -36a + (-9 * 4a + 4a * 4a)) = 0
(81 + -36a + (-36a + 16a2)) = 0

Combine like terms: -36a + -36a = -72a
(81 + -72a + 16a2) = 0

Solving
81 + -72a + 16a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(9 + -4a)(9 + -4a) = 0

Subproblem 1

Set the factor '(9 + -4a)' equal to zero and attempt to solve: Simplifying 9 + -4a = 0 Solving 9 + -4a = 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 + -4a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4a = 0 + -9 -4a = 0 + -9 Combine like terms: 0 + -9 = -9 -4a = -9 Divide each side by '-4'. a = 2.25 Simplifying a = 2.25

Subproblem 2

Set the factor '(9 + -4a)' equal to zero and attempt to solve: Simplifying 9 + -4a = 0 Solving 9 + -4a = 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 + -4a = 0 + -9 Combine like terms: 9 + -9 = 0 0 + -4a = 0 + -9 -4a = 0 + -9 Combine like terms: 0 + -9 = -9 -4a = -9 Divide each side by '-4'. a = 2.25 Simplifying a = 2.25

Solution

a = {2.25, 2.25}

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