(4k+9)(4k+9)=

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Solution for (4k+9)(4k+9)= equation:


Simplifying
(4k + 9)(4k + 9) = 0

Reorder the terms:
(9 + 4k)(4k + 9) = 0

Reorder the terms:
(9 + 4k)(9 + 4k) = 0

Multiply (9 + 4k) * (9 + 4k)
(9(9 + 4k) + 4k * (9 + 4k)) = 0
((9 * 9 + 4k * 9) + 4k * (9 + 4k)) = 0
((81 + 36k) + 4k * (9 + 4k)) = 0
(81 + 36k + (9 * 4k + 4k * 4k)) = 0
(81 + 36k + (36k + 16k2)) = 0

Combine like terms: 36k + 36k = 72k
(81 + 72k + 16k2) = 0

Solving
81 + 72k + 16k2 = 0

Solving for variable 'k'.

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

Subproblem 1

Set the factor '(9 + 4k)' equal to zero and attempt to solve: Simplifying 9 + 4k = 0 Solving 9 + 4k = 0 Move all terms containing k to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 4k = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4k = 0 + -9 4k = 0 + -9 Combine like terms: 0 + -9 = -9 4k = -9 Divide each side by '4'. k = -2.25 Simplifying k = -2.25

Subproblem 2

Set the factor '(9 + 4k)' equal to zero and attempt to solve: Simplifying 9 + 4k = 0 Solving 9 + 4k = 0 Move all terms containing k to the left, all other terms to the right. Add '-9' to each side of the equation. 9 + -9 + 4k = 0 + -9 Combine like terms: 9 + -9 = 0 0 + 4k = 0 + -9 4k = 0 + -9 Combine like terms: 0 + -9 = -9 4k = -9 Divide each side by '4'. k = -2.25 Simplifying k = -2.25

Solution

k = {-2.25, -2.25}

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